You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1 lines
46 KiB
1 lines
46 KiB
*,:after,:before{-webkit-box-sizing:border-box;box-sizing:border-box}html{font-family:sans-serif;line-height:1.15;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%;-ms-overflow-style:scrollbar;-webkit-tap-highlight-color:transparent}@-ms-viewport{width:device-width}article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}body{margin:0;font-family:Spectral,serif;font-size:1rem;font-weight:400;line-height:1.5;color:var(--body-color,#000);text-align:left;background-color:var(--body-bg,#fff)}[tabindex="-1"]:focus{outline:none!important}hr{-webkit-box-sizing:content-box;box-sizing:content-box;height:0;overflow:visible}h1,h2,h3,h4,h5,h6,p{margin-top:0}p{margin-bottom:1rem}abbr[data-original-title],abbr[title]{text-decoration:underline;-webkit-text-decoration:underline dotted;text-decoration:underline dotted;cursor:help;border-bottom:0}address{font-style:normal;line-height:inherit}address,dl,ol,ul{margin-bottom:1rem}dl,ol,ul{margin-top:0}ol ol,ol ul,ul ol,ul ul{margin-bottom:0}dt{font-weight:600}dd{margin-bottom:.5rem;margin-left:0}blockquote{margin:0 0 1rem}dfn{font-style:italic}b,strong{font-weight:bolder}small{font-size:80%}sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}a{color:var(--brand);text-decoration:none;background-color:transparent;-webkit-text-decoration-skip:objects}a:hover{color:var(--brand-hover);text-decoration:underline}code,kbd,pre,samp{font-family:monospace,monospace;font-size:1em}pre{margin-top:0;margin-bottom:1rem;overflow:auto;-ms-overflow-style:scrollbar}figure{margin:0 0 1rem}img{vertical-align:middle;border-style:none}svg:not(:root){overflow:hidden}[role=button],a,area,button,input:not([type=range]),label,select,summary,textarea{-ms-touch-action:manipulation;touch-action:manipulation}table{border-collapse:collapse}caption{padding-top:.75rem;padding-bottom:.75rem;color:#888;text-align:left;caption-side:bottom}th{text-align:inherit}label{display:inline-block;margin-bottom:.5rem}button{border-radius:0}button:focus{outline:1px dotted;outline:5px auto -webkit-focus-ring-color}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,input{overflow:visible}button,select{text-transform:none}[type=submit],button,html [type=button]{-webkit-appearance:button}[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner,button::-moz-focus-inner{padding:0;border-style:none}input[type=checkbox],input[type=radio]{-webkit-box-sizing:border-box;box-sizing:border-box;padding:0}input[type=date],input[type=datetime-local],input[type=month],input[type=time]{-webkit-appearance:listbox}textarea{overflow:auto;resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{display:block;width:100%;max-width:100%;padding:0;margin-bottom:.5rem;font-size:1.5rem;line-height:inherit;color:inherit;white-space:normal}progress{vertical-align:baseline}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:none}[type=search]::-webkit-search-cancel-button,[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}summary{display:list-item}template{display:none}[hidden]{display:none!important}:root{--font-family-sans-serif:"Karla",sans-serif;--font-family-monospace:"SFMono-Regular",Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;--brand:#b01109;--brand-hover:#770600;--brand-accent:#015d75;--body-bg:#fff;--body-bg-alt:#f9fdff;--body-bg-alt2:#ececec;--body-color:#000;--button-primary-color:#fff;--button-primary-hover-color:#770600;--button-secondary-color:#b01109;--button-secondary-hover-color:#770600;--header-bg:#fff;--header-color:#000;--footer-bg:#444;--footer-color:#fff;--book-bg:#fff;--brand-orig:#b01109;--brand-hover-orig:#770600;--brand-accent-orig:#015d75;--primary:#b01109;--accent:#015d75;--primary-fg:#fff;--accent-fg:#fff;--header-text:#000;--cover-header-bg:#000}.block-toc .inner-content,.content-max-width{max-width:1330px;margin:0 auto}img{max-width:100%}.clearfix:after{display:block;clear:both;content:""}.focusable:focus{outline:none}.has-focus{background:#ff0}.a11y-toolbar{--header-color:#fff;position:fixed;z-index:99999;top:0;padding:0 1rem;width:100vw;margin:0 auto;font-family:Karla,sans-serif}.a11y-toolbar .wrap{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:horizontal;-webkit-box-direction:normal;-ms-flex-direction:row;flex-direction:row;-webkit-box-pack:end;-ms-flex-pack:end;justify-content:flex-end;-webkit-box-align:start;-ms-flex-align:start;align-items:flex-start;width:100%;max-width:1440px;margin:0 auto}.a11y-toolbar ul{list-style:none;margin:0;padding:0}.a11y-toolbar ul li{display:inline-block;margin:0;padding:0}.a11y-toolbar ul li a{padding:.25rem .875rem;margin:0;color:var(--brand);background:var(--body-bg);font-size:1rem;line-height:1.5;text-align:center;border-bottom:2px solid var(--brand)}.a11y-toolbar ul li a:focus,.a11y-toolbar ul li a:hover{color:var(--header-color);background:var(--brand);text-decoration:none}.a11y-toolbar ul li:first-child a{border-left:2px solid var(--brand);border-bottom-left-radius:4px}.a11y-toolbar ul li:last-child a{border-right:2px solid var(--brand);border-bottom-right-radius:4px}.fontsize{font-size:22px}.screen-reader-text{border:0;clip:rect(1px,1px,1px,1px);-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute!important;width:1px;word-wrap:normal!important}.screen-reader-text:focus{background-color:var(--body-bg);border-radius:3px;-webkit-box-shadow:0 0 2px 2px rgba(0,0,0,.6);box-shadow:0 0 2px 2px rgba(0,0,0,.6);clip:auto!important;-webkit-clip-path:none;clip-path:none;color:var(--body-color);display:block;font-size:.875rem;font-weight:700;height:auto;left:5px;line-height:normal;padding:15px 23px 14px;text-decoration:none;top:5px;width:auto;z-index:100000}a.call-to-action,button,input[type=submit]{border-style:solid;border-width:2px;border-radius:3px;display:inline-block;font-family:Karla,sans-serif;font-weight:600;line-height:1.5;padding:.875rem 3.25rem;vertical-align:middle;text-align:center;text-decoration:none;text-transform:uppercase}a.call-to-action:focus,a.call-to-action:hover,button:focus,button:hover,input[type=submit]:focus,input[type=submit]:hover{text-decoration:none}a.call-to-action.focus,a.call-to-action:focus,button.focus,button:focus,input[type=submit].focus,input[type=submit]:focus{outline:0}a.call-to-action.disabled,a.call-to-action:disabled,button.disabled,button:disabled,input[type=submit].disabled,input[type=submit]:disabled{opacity:.65;-webkit-box-shadow:none;box-shadow:none}a.call-to-action.active,a.call-to-action:active,button.active,button:active,input[type=submit].active,input[type=submit]:active{background-image:none;-webkit-box-shadow:0 0 0 3px rgba(176,17,9,.25),inset 0 3px 5px rgba(0,0,0,.125);box-shadow:0 0 0 3px rgba(176,17,9,.25),inset 0 3px 5px rgba(0,0,0,.125)}button,input[type=submit]{background-color:var(--brand);border-color:var(--brand);color:var(--button-primary-color)}button:focus,button:hover,input[type=submit]:focus,input[type=submit]:hover{background-color:var(--brand-hover);border-color:var(--brand-hover);color:var(--button-primary-color)}a.call-to-action{background-color:var(--button-primary-color);border-color:var(--brand);color:var(--brand)}a.call-to-action:focus,a.call-to-action:hover{background-color:var(--brand);border-color:var(--brand);color:var(--button-primary-color)}[class$="--alternate"] .call-to-action{background-color:var(--accent);border-color:var(--button-primary-color);color:var(--button-primary-color)}[class$="--alternate"] .call-to-action:focus,[class$="--alternate"] .call-to-action:hover{background-color:var(--button-primary-color);border-color:var(--button-primary-color);color:var(--accent)}.button--secondary{background-color:transparent;border-color:var(--brand);color:var(--brand)}.button--secondary:focus,.button--secondary:hover{border-color:var(--brand-hover);color:var(--brand-hover)}.button--circle--primary{-webkit-box-align:center;-ms-flex-align:center;align-items:center;background-color:var(--brand);color:var(--button-primary-color);border-radius:50%;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;height:3.75rem;width:3.75rem}.button--circle--primary:focus,.button--circle--primary:hover{background-color:var(--brand-hover);border-color:var(--brand-hover);color:var(--button-primary-color);text-decoration:none}.block-comments{--brand:var(--footer-color);--brand-hover:var(--footer-color);--brand-accent:var(--footer-color);background-color:#444;color:#fff;font-family:Karla,sans-serif;padding:2rem 1rem 2.25rem}@media screen and (min-width:768px){.block-comments{padding:4.5rem 1rem 2.5rem}}.block-comments a{color:var(--brand);text-decoration:none}.block-comments a:hover{color:var(--brand-hover);text-decoration:underline}.block-comments__inner{max-width:800px;margin:0 auto}.section__title.block-comments__title{font-size:1.5rem}.section__title.block-comments__title:before{margin:0 auto 1rem;width:46px}.block-comments__form{max-width:400px;margin:0 auto}@media screen and (min-width:60rem){.block-comments__form{max-width:none}}.comment-reply-title{display:none}.comment-notes{text-align:center}.comment-form-author,.comment-form-comment,.comment-form-email,.comment-form-url{overflow:hidden;margin-bottom:1.25rem;margin-top:0}@media screen and (min-width:60rem){.comment-form-author,.comment-form-comment,.comment-form-email,.comment-form-url{margin-bottom:1.25rem}}.comment-form-comment{margin-bottom:1.25rem}@media screen and (min-width:60rem){.comment-form-comment{float:right;margin-bottom:0}}#commentform label{display:block;font-size:.875rem}#commentform input,#commentform textarea{padding:.375rem .75rem;width:400px}@media screen and (min-width:60rem){#commentform input,#commentform textarea{width:350px}}#commentform input{font-size:.875em}#respond .form-allowed-tags{width:350px;margin:10px 0 0 170px;font-size:.7em;line-height:1.2em}.form-submit{margin-top:2rem;text-align:center}@media screen and (min-width:60rem){.form-submit{float:right;width:350px}}.form-submit input#submit{height:auto;width:auto}[data-icon]:before{font-family:pressbooks-theme,sans-serif!important;content:attr(data-icon);font-style:normal!important;font-weight:400!important;font-variant:normal!important;text-transform:none!important;speak:none;line-height:1;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;vertical-align:top}.icon{display:inline-block;font-size:1.875rem;width:1.875rem;height:1.875rem;margin:0 .5rem;text-decoration:none!important}.icon:before{font-family:pressbooks-theme,sans-serif!important;font-style:normal!important;font-weight:400!important;font-variant:normal!important;text-transform:none!important;speak:none;line-height:1;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;vertical-align:top;width:1em;height:1em}.icon-arrow-down:before{content:"a"}.icon-arrow-left:before{content:"x"}.icon-arrow-right:before{content:"b"}.icon-arrow-up:before{content:"c"}.icon-arrow-up-down:before{content:"a"}.icon-arrow-up-down.\--visible:before{content:"c"}.icon-book:before{content:"d"}.icon-graph:before{content:"g"}.icon-like:before{content:"h"}.icon-share-books:before{content:"j"}.icon-speach-bubble:before{content:"k"}.icon-twitter:before{content:"l"}.icon-facebook:before{content:"e"}.icon-search:before{content:"m"}.icon-cc:before{content:"f"}.icon-cc-by:before{content:"n"}.icon-google-plus:before{content:"o"}.icon-cc-nc:before{content:"i"}.icon-cc-share:before{content:"p"}.icon-cc-sa:before{content:"q"}.icon-cc-zero:before{content:"r"}.icon-cc-pd:before{content:"s"}.icon-cc-nd:before{content:"t"}.icon-cc-nc-jp:before{content:"u"}.icon-cc-nc-eu:before{content:"v"}.icon-cc-remix:before{content:"w"}.block-reading-meta{background-color:#ececec;font-family:Karla,sans-serif;padding:2rem 1rem 4rem}@media screen and (min-width:768px){.block-reading-meta{padding:2rem 1rem 2.25rem}}.block-reading-meta__inner{display:-webkit-box;display:-ms-flexbox;display:flex;-ms-flex-wrap:wrap;flex-wrap:wrap;max-width:1200px;margin:0 auto}.block-reading-meta__subsection{-webkit-box-flex:1;-ms-flex:1;flex:1;min-width:300px;padding-right:2rem}.block-reading-meta__subtitle{color:var(--brand)}.block-reading-meta__share{-webkit-box-align:center;-ms-flex-align:center;align-items:center;display:-webkit-box;display:-ms-flexbox;display:flex}.block-reading-meta__share>:first-child{margin-left:0}.block-toc{padding-left:0;padding-right:0}@media screen and (min-width:768px){.block-toc__title{margin-bottom:5rem}}.toc__back-matter,.toc__front-matter{font-weight:700}@media screen and (min-width:768px){.toc__back-matter,.toc__front-matter{font-size:1.125rem}}.toc__back-matter li,.toc__front-matter li{background-color:var(--body-bg-alt);margin-bottom:3px;padding:1rem}.toc__list{color:var(--brand);margin-bottom:0}.toc__list,.toc__list ul{list-style:none;padding:0}.toc__list li{font-weight:700}.toc__list a{color:var(--brand);text-decoration:none}.toc__list a:hover{color:var(--brand-hover);text-decoration:underline}.js-toc-part-toggle{cursor:pointer}.toc__part__title{background-color:var(--body-bg-alt);font-size:1rem;margin-bottom:3px;padding:1.25rem 1rem;text-transform:uppercase}@media screen and (min-width:768px){.toc__part__title{font-size:1.5rem}}.toc__part__title .icon{margin-left:auto;font-size:1em;height:1em;width:1em}.toc__part__title .icon-arrow-up{display:none}.open .toc__part__title{background-color:var(--brand)}.open .toc__part__title,.open .toc__part__title .icon{color:var(--button-primary-color)}.open .toc__part__title .icon-arrow-up-down:before{content:"c"}.toc__part__title>.inner-content{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center}ul.toc__chapters{padding:1rem}.toc__chapters{display:none}@media screen and (min-width:768px){.home .toc__chapters{-webkit-column-count:2;column-count:2;-webkit-column-gap:2rem;column-gap:2rem}}.open .toc__chapters{display:block}.toc__chapters .toc__chapter{margin-bottom:1rem;overflow:hidden;-webkit-column-break-inside:avoid;break-inside:avoid}.toc__chapters .toc__chapter:last-child{margin-bottom:0}.block-toc__toggle-all{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;margin-top:1rem}.block-toc__toggle-all .block-toc__toggle-all__hide{display:none}.block-reading-toc{--body-bg-alt:var(--body-bg-alt2);--brand:var(--brand-orig);--brand-hover:var(--brand-hover-orig);--brand-accent:var(--brand-accent-orig);background-color:var(--body-bg);display:none;font-family:Karla,sans-serif;font-size:1rem;width:100vw;left:0;top:100%;position:absolute;z-index:100}@media screen and (min-width:60rem){.block-reading-toc{width:100%}}.block-reading-toc.\--visible{display:block}.block-reading-toc .toc__back-matter,.block-reading-toc .toc__front-matter,.block-reading-toc .toc__part__title{font-size:1rem}@media screen and (min-width:768px){.block-reading-toc .toc__back-matter li,.block-reading-toc .toc__front-matter li,.block-reading-toc .toc__part__title,.block-reading-toc .toc__part__title li{padding:1.25rem 1rem}}html{-webkit-font-smoothing:antialiased}main *+p{margin-top:1.5em}h1,h2,h3,h4,h5,h6{margin-bottom:.5rem;font-family:Karla,sans-serif;font-weight:700;line-height:1.5}h1 a,h1 a:active,h1 a:hover,h1 a:visited,h2 a,h2 a:active,h2 a:hover,h2 a:visited,h3 a,h3 a:active,h3 a:hover,h3 a:visited,h4 a,h4 a:active,h4 a:hover,h4 a:visited,h5 a,h5 a:active,h5 a:hover,h5 a:visited,h6 a,h6 a:active,h6 a:hover,h6 a:visited{color:inherit}.home h1,.home h2,.home h3,.home h4,.home h5,.home h6{color:var(--brand)}h1{font-size:2.25rem;text-align:center;text-transform:uppercase}h1:before{content:"";display:block;margin:.5rem auto 1rem;width:2.8125rem;height:.3125rem;background:var(--brand-accent)}@media screen and (min-width:60rem){h1:before{margin-bottom:2rem;width:4.6875rem}}@media screen and (min-width:768px){h1{font-size:3rem}}h2{margin-bottom:2rem;font-size:1.875rem;font-weight:600;text-align:center;text-transform:uppercase}h2:before{content:"";display:block;margin:.5rem auto 1rem;width:2.8125rem;height:.3125rem;background:var(--brand-accent)}@media screen and (min-width:60rem){h2:before{margin-bottom:2rem;width:4.6875rem}}@media screen and (min-width:768px){h2{font-size:2.25rem}}h3{font-size:2.25rem}h4{font-size:1.875rem}h5{font-size:1.5rem}h6{font-size:1.25rem}ol,p,ul{font-size:1.125rem;line-height:1.5}.page-section{width:100%;padding:4rem 1rem;background:var(--body-bg);text-align:center}.page-section ol,.page-section ul{padding-left:0;list-style-position:inside}.page-section--accent{background:var(--accent)}.page-section--accent,.page-section--accent h2{color:var(--accent-fg)}.page-section--accent h2:before{background:var(--accent-fg)}.page-section--bordered{width:calc(100% - 2rem);margin:5rem auto 0;border:solid 4px var(--accent)}.page-section--borderless{-webkit-box-shadow:none;box-shadow:none}.block__subtitle{font-size:1.5rem;margin-bottom:1rem;text-transform:uppercase}@media screen and (min-width:768px){.block__subtitle{margin-bottom:1.5rem}}.block-toggle__cta{position:relative;text-align:center}@media screen and (min-width:60rem){.block-toggle__cta{display:none}}.block-toggle__cta__blurb{font-size:.875rem;margin-bottom:0;padding-bottom:2.5rem}.block-toggle__cta__button{bottom:0;cursor:pointer;font-size:1.5rem;left:50%;margin:0;position:absolute;-webkit-transform:translate(-50%,50%);-o-transform:translate(-50%,50%);transform:translate(-50%,50%);z-index:10}.block.block-toggle{padding-bottom:0}@media screen and (max-width:59.975rem){.block.block-toggle.block-toggle--visible .block-toggle__cta__blurb,.block.block-toggle:not(.block-toggle--visible) .block-toggle__content{display:none}}.block.block-toggle.block-meta{padding-bottom:6rem}@media screen and (min-width:60rem){.has-sections .entry-content{display:-webkit-box;display:-ms-flexbox;display:flex;width:100%;max-width:90rem;-ms-flex-wrap:wrap;flex-wrap:wrap;-ms-flex-pack:distribute;justify-content:space-around}.page-section{width:100%;max-width:50rem;margin:4rem auto;padding:4rem 5.625rem;-webkit-box-shadow:-3px 5px 4px 2px hsla(0,0%,53%,.09);box-shadow:-3px 5px 4px 2px hsla(0,0%,53%,.09)}.page-section:first-of-type,.page-section:nth-of-type(2){width:calc(50% - 4rem)}.page-section--bordered,.page-section:only-of-type{width:100%;max-width:50rem}.page-section--bordered{margin:4rem auto;-webkit-box-shadow:none;box-shadow:none}.page-section--bordered:first-of-type,.page-section--bordered:nth-of-type(2){width:calc(50% - 4rem)}.page-section--bordered:only-of-type{width:100%;max-width:50rem}}.home h1{text-transform:none}.home h1:before{display:none}.page:not(.has-sections) article{width:100%;padding:4rem 1rem;background:var(--body-bg);text-align:left}@media screen and (min-width:60rem){.page:not(.has-sections) article{width:100%;max-width:50rem;margin:-80% auto 4rem;padding:4rem 5.625rem;-webkit-box-shadow:-3px 5px 4px 2px hsla(0,0%,53%,.09);box-shadow:-3px 5px 4px 2px hsla(0,0%,53%,.09)}}.page:not(.has-sections) .entry-header{margin-bottom:2rem}#content{position:relative;z-index:10;margin:0 auto;background-color:var(--body-bg);width:auto}@media screen and (min-width:60rem){#content{width:800px}}#content .wp-caption,#content .wp-nocaption,#content img{height:auto;max-width:100%}.single #content{min-height:350px;margin-bottom:0}.nav-reading{background-color:var(--brand);bottom:0;display:-webkit-box;display:-ms-flexbox;display:flex;left:0;position:fixed;width:100vw}@media screen and (min-width:1330px){.nav-reading{background-color:transparent;display:block;bottom:auto;top:58%}}.nav-reading__next,.nav-reading__previous{-webkit-box-align:center;-ms-flex-align:center;align-items:center;display:-webkit-box;display:-ms-flexbox;display:flex;color:var(--button-primary-color);-webkit-box-flex:1;-ms-flex:1 1 50%;flex:1 1 50%;font-family:Karla,sans-serif;font-size:.875rem;height:2.5rem}@media screen and (min-width:30rem){.nav-reading__next,.nav-reading__previous{padding:0 1rem}}@media screen and (min-width:1330px){.nav-reading__next,.nav-reading__previous{bottom:0;color:var(--body-color);font-size:1.25rem;height:auto;position:absolute;padding:0 1rem}}.nav-reading__next a,.nav-reading__previous a{-webkit-box-align:center;-ms-flex-align:center;align-items:center;color:var(--button-primary-color);display:-webkit-box;display:-ms-flexbox;display:flex;white-space:nowrap}.nav-reading__next a:hover,.nav-reading__previous a:hover{color:var(--button-primary-color);text-decoration:none}.nav-reading__next a .icon,.nav-reading__previous a .icon{color:var(--button-primary-color);font-size:.75rem;height:1em;width:1em}.nav-reading__next a .icon:hover,.nav-reading__previous a .icon:hover{color:var(--button-primary-color)}@media screen and (min-width:1330px){.nav-reading__next a,.nav-reading__previous a{color:var(--body-color);font-size:1.25rem;height:auto}.nav-reading__next a:hover,.nav-reading__previous a:hover{color:var(--brand-hover)}.nav-reading__next a .icon,.nav-reading__previous a .icon{color:var(--brand);font-size:1.25rem}.nav-reading__next a .icon:hover,.nav-reading__previous a .icon:hover{color:var(--brand-hover)}}.nav-reading__previous{border-right:1px solid var(--button-primary-color);-webkit-box-pack:start;-ms-flex-pack:start;justify-content:flex-start;left:0}@media screen and (min-width:1330px){.nav-reading__previous{border:0 none;left:3rem}}.nav-reading__previous .icon{margin-right:.5rem}@media screen and (min-width:1330px){.nav-reading__previous .icon{margin-right:1rem}}.nav-reading__next{border-left:1px solid var(--button-primary-color);-webkit-box-pack:end;-ms-flex-pack:end;justify-content:flex-end;right:0}@media screen and (min-width:1330px){.nav-reading__next{border:0 none;right:3rem}}.nav-reading__next .icon{margin-left:.5rem}@media screen and (min-width:1330px){.nav-reading__next .icon{margin-left:1rem}}.nav-reading__up{-webkit-box-align:center;-ms-flex-align:center;align-items:center;background-color:var(--brand);border-radius:50%;color:var(--button-primary-color);display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;height:2.5rem;left:50%;position:absolute;top:-3rem;-webkit-transform:translate(-50%);-o-transform:translate(-50%);transform:translate(-50%);width:2.5rem}.nav-reading__up:hover{background-color:var(--brand-hover);color:var(--button-primary-color);text-decoration:none}@media screen and (max-width:59.975rem){.nav-reading--multipage .nav-reading__up{top:-6rem}}@media screen and (min-width:1330px){.nav-reading__up{left:auto;right:3rem;top:4rem;height:6rem;width:6rem}}.nav-reading__up .nav-reading__up__text{display:none;font-family:Spectral,serif;font-size:.875rem}@media screen and (min-width:1330px){.nav-reading__up .nav-reading__up__text{display:block}}.nav-reading__up .icon{font-size:1rem;height:1em;margin:0;width:1em}@media screen and (min-width:1330px){.nav-reading__up .icon{font-size:2rem}}.nav-reading--page{background-color:var(--body-bg);bottom:2.5rem;display:-webkit-box;display:-ms-flexbox;display:flex;left:0;position:fixed;width:100vw}@media screen and (min-width:60rem){.nav-reading--page{background-color:transparent;bottom:auto;top:58%;position:relative;display:block;width:auto}}.nav-reading--page__next,.nav-reading--page__previous{-webkit-box-align:center;-ms-flex-align:center;align-items:center;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-flex:1;-ms-flex:1 1 50%;flex:1 1 50%;font-family:Karla,sans-serif;font-size:.875rem;height:2.5rem;padding:0 1rem}@media screen and (min-width:60rem){.nav-reading--page__next,.nav-reading--page__previous{padding:0 1rem}}@media screen and (min-width:1330px){.nav-reading--page__next,.nav-reading--page__previous{bottom:0;height:auto;font-size:1.25rem}}.nav-reading--page__next a,.nav-reading--page__previous a{-webkit-box-align:center;-ms-flex-align:center;align-items:center;color:var(--body-color);display:-webkit-box;display:-ms-flexbox;display:flex;white-space:nowrap}.nav-reading--page__next a:hover,.nav-reading--page__previous a:hover{color:var(--brand-hover);text-decoration:none}.nav-reading--page__next a .icon,.nav-reading--page__previous a .icon{color:var(--brand);font-size:.75rem;height:1em;width:1em}.nav-reading--page__next a .icon:hover,.nav-reading--page__previous a .icon:hover{color:var(--brand-hover)}@media screen and (min-width:1330px){.nav-reading--page__next a,.nav-reading--page__previous a{height:auto;font-size:1.25rem}.nav-reading--page__next a .icon,.nav-reading--page__previous a .icon{font-size:1.25rem}}.nav-reading--page__previous{-webkit-box-pack:start;-ms-flex-pack:start;justify-content:flex-start;left:0}.nav-reading--page__previous .icon{margin-right:.5rem}@media screen and (min-width:60rem){.nav-reading--page__previous .icon{margin-left:0;margin-right:1rem}}.nav-reading--page__next{-webkit-box-pack:end;-ms-flex-pack:end;justify-content:flex-end;right:0}.nav-reading--page__next .icon{margin-left:.5rem}@media screen and (min-width:60rem){.nav-reading--page__next .icon{margin-left:1rem;margin-right:0}}.edit-link{margin-top:1rem}@media print{body{background:none}a{color:#000}#wrap{position:relative;display:block;float:none;margin:0 auto;clear:both}#header{padding-bottom:18pt;border-bottom:2pt solid #000}.entry-content{font-size:14pt;line-height:1.6em}.entry-title{font-size:21pt}#branding img,#comments,#respond,#searchform,.comment-edit-link,.edit-link,.nav,.navigation,.page-link,.share-wrap-single,.sidebar,.widget-area{display:none}#container,#header,.footer{width:100%;margin:0}.footer,nav{color:#000;background:#fff}#content{width:100%;padding:10px;margin:24pt 0 0}.wp-caption p{font-size:11pt}.home .sticky{border:0}.wrapper{height:auto;min-height:100px;margin:0 auto}}.footer{--brand:var(--footer-color);--brand-hover:var(--footer-color);background-color:#444;color:#fff;font-family:Karla,sans-serif;padding:0 0 2.25rem}.footer h1,.footer h2,.footer h3,.footer h4,.footer h5,.footer h6{font-size:1.125rem;font-weight:600;margin-bottom:1rem}.footer h1:before,.footer h2:before,.footer h3:before,.footer h4:before,.footer h5:before,.footer h6:before{display:none}.footer.footer--home{padding-top:4rem}.footer.footer--reading{padding-bottom:7rem}@media screen and (min-width:60rem){.footer.footer--reading{padding-bottom:7rem}}@media screen and (min-width:1330px){.footer.footer--reading{padding-bottom:2.5rem}}.footer.footer--reading.footer--multipage{padding-bottom:9.5rem}@media screen and (min-width:60rem){.footer.footer--reading.footer--multipage{padding-bottom:7rem}}@media screen and (min-width:1330px){.footer.footer--reading.footer--multipage{padding-bottom:2.5rem}}@media screen and (min-width:768px){.footer{-webkit-box-orient:horizontal;-webkit-box-direction:normal;-ms-flex-direction:row;flex-direction:row;padding-bottom:2.5rem}}.footer__inner{margin:0 auto}.footer__pressbooks{max-width:1330px;margin:2rem auto;-webkit-box-align:center;-ms-flex-align:center;align-items:center;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between}@media screen and (min-width:768px){.footer__pressbooks{-webkit-box-orient:horizontal;-webkit-box-direction:normal;-ms-flex-direction:row;flex-direction:row}}.footer__pressbooks__icon{margin:0 1rem}.footer__pressbooks__icon>.icon--svg{height:2.8125rem;width:2.8125rem}.footer__pressbooks__links{margin-bottom:1.5rem;margin-top:1.5rem;padding:0 1.875rem}@media screen and (min-width:768px){.footer__pressbooks__links{margin:0;padding:0}}.footer__pressbooks__links__list{display:-webkit-box;display:-ms-flexbox;display:flex;-ms-flex-wrap:wrap;flex-wrap:wrap;font-size:.875rem;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;list-style:none;margin:0;padding-left:0}.footer__pressbooks__links__list li{padding:.125rem 0}.footer__pressbooks__links__list a{padding-left:.5rem;padding-right:.5rem}.footer__pressbooks__links__title{font-size:1rem;font-weight:600;text-align:center}.footer__pressbooks__social{-webkit-box-align:center;-ms-flex-align:center;align-items:center;display:-webkit-box;display:-ms-flexbox;display:flex;margin:0 1rem}.footer__pressbooks__social a{margin:0 .25em}.footer__pressbooks__social a>.icon--svg{height:2rem;width:2rem}@media (min-width:960px){.footer__pressbooks__social a>.icon--svg{height:1.5rem;width:1.5rem}}.footer__network{height:auto;margin-bottom:0;padding:2.5rem 1.875rem;font-family:Karla,sans-serif;font-size:1rem;color:var(--accent-fg);background-color:var(--accent,#015d75);text-align:center}.footer__network .social-media{margin-top:1em}.footer__network .social-media a{width:2rem;height:2rem;margin:0 .25em;-webkit-transition:all .4s;-o-transition:all .4s;transition:all .4s}.footer__network .social-media a>.icon--svg{height:2rem;width:2rem}.footer__network ul{margin:0;padding:0;list-style:none;text-align:center;font-weight:600;line-height:2.25}.footer__network__block{border-top:solid 1px var(--accent-fg)}.footer__network__block:first-of-type{border-top:0}.footer__network__block a{color:var(--accent-fg);text-decoration:none;border-bottom:1px solid transparent}.footer__network__block a:focus,.footer__network__block a:hover{border-bottom:solid 1px var(--accent-fg)}.footer__network__block--1{margin:0 -5px;padding:0 0 40px}.footer__network__block--2{padding:30px 7.5px}.footer__network__block--2 .widget{margin-bottom:1em}.footer__network__menu{padding:30px 7.5px 0}.footer__network__block .social-media{margin-top:0;width:100%}.footer__network__block .social-media a{margin:0 .5em 0 0;border-bottom:none}.footer__network__block .social-media a:focus,.footer__network__block .social-media a:hover{border-bottom:none}@media (min-width:960px){.footer__network{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:horizontal;-webkit-box-direction:normal;-ms-flex-direction:row;flex-direction:row;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}.footer__network ul{text-align:left}.footer__network__block{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;margin:0;padding:0 3.75rem;border-top:0;border-right:solid 1px var(--accent-fg)}.footer__network__block,.footer__network__block--2{-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}.footer__network__block:last-of-type{border-right:0}.social-media a{margin:0 .5em 0 0}.social-media a,.social-media a>.icon--svg{width:1.5rem;height:1.5rem}}@media (min-width:1650px){.footer__network ul li{display:inline-block;margin-right:3em}}.header{font-family:Karla,sans-serif;padding:3.5rem 1rem 1.5rem}@media screen and (min-width:60rem){.header{padding:3rem 1rem}}.header__inside{-webkit-box-align:center;-ms-flex-align:center;align-items:center;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;max-width:1440px;margin:0 auto}.header__logo--img,.header__logo--svg{display:inline-block;width:auto;max-width:100px;height:auto;max-height:1.5rem;margin-bottom:-1px;margin-right:2px}@media screen and (min-width:30rem) and (max-width:60rem){.header__logo--img,.header__logo--svg{max-width:150px}}@media screen and (min-width:60rem){.header__logo--img,.header__logo--svg{max-width:200px;max-height:30px}}.header__nav-icon{display:block;position:relative;width:25px;height:20px;z-index:999;text-indent:-9999em}@media screen and (min-width:60rem){.header__nav-icon{display:none}}.header__nav-icon__icon{display:block;position:absolute;top:7px;width:25px;height:3px;background:var(--brand)}.header__nav-icon__icon:after,.header__nav-icon__icon:before{width:25px;height:3px;content:"";background:var(--brand)}.header__nav-icon__icon:before{position:absolute;top:-7px;right:0}.header__nav-icon__icon:after{position:absolute;top:7px;right:0}.header__nav--active .header__nav-icon__icon{--header-color:var(--primary-fg);background:var(--header-color)}.header__nav--active .header__nav-icon__icon:after,.header__nav--active .header__nav-icon__icon:before{background:var(--header-color)}.js-header-nav .nav--primary{list-style:none;padding-left:0;margin-bottom:0}.js-header-nav .nav--primary li{display:inline;padding-left:1rem;font-size:1.125rem}@media screen and (max-width:59.975rem){.js-header-nav{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;left:0;margin:0 0 0 -100%;padding:0 17px;position:absolute;top:0;width:100%}.js-header-nav .nav--primary li{display:block;padding-left:0}.js-header-nav a{display:none;font-family:Karla,sans-serif;font-size:1.5rem;line-height:3.33333333;color:var(--header-color);letter-spacing:0}.header__nav--active .js-header-nav{--header-color:var(--primary-fg);margin:0;padding:6rem 52px;z-index:99;background:var(--primary)}.header__nav--active .js-header-nav .nav--primary li{border-bottom:solid 1px var(--header-color)}.header__nav--active .js-header-nav .nav--primary li:last-child{border-bottom:0}.header__nav--active .js-header-nav a{display:block;width:100%}.header__nav--active .js-header-nav a:hover{color:var(--header-color)}}.header--home{--brand:var(--header-color);--brand-hover:var(--header-color);--brand-accent:var(--header-color);background-color:var(--header-bg);color:var(--header-color)}.header__search{position:relative}.icon-search{vertical-align:middle}.header:not(.header--home) .icon-search{font-size:1.5rem;cursor:pointer}.header__search__form{display:inline-block;position:relative;width:12rem}.header__search__form label{position:absolute;left:0;width:12rem}.header__search__form label .icon--svg{width:1.5rem;height:2rem;display:inline-block;float:right;vertical-align:middle}.header__search__form input[type=search]{background-color:transparent;border:0 none;border-bottom:2px solid var(--brand);color:var(--body-color);width:12rem}.header__search__form input[type=search]:focus{border-color:var(--brand-orig)}.header__search__form input[type=search]:focus+label{text-indent:-999999rem}.header--home .header__search__form input[type=search]{color:var(--header-color);border-bottom:1px solid var(--header-color)}.header--home .header__search__form input[type=search]:focus{border-color:var(--brand-orig)}.header__search__form input[type=submit]{display:none}.book{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;width:100%;max-width:22.9375rem;height:24.125rem;margin:0 0 2rem;padding:1.5rem 1rem 2rem;border:solid 2px var(--accent,#015d75);background:var(--accent,#015d75)}@media screen and (min-width:30rem){.book{padding:1.5rem 1.85rem 2.1875rem}}.book a{margin:0;font-family:Karla,sans-serif;color:var(--accent-fg,#fff);text-decoration:none;text-align:center}.book__title{margin:0;font-size:1.25rem;font-weight:500;line-height:1.2;text-align:left}@media screen and (min-width:30rem){.book__title{font-size:1.75rem}}.book__subject{margin:0;font-size:.8rem;text-align:left}@media screen and (min-width:30rem){.book__subject{font-size:1.25rem}}.book__read-more{margin:0;font-size:1rem;text-align:left}@media screen and (min-width:30rem){.book__read-more{font-size:1.125rem}}.book__read-more a svg{width:1rem;height:1rem;vertical-align:middle}@media screen and (min-width:30rem){.book__read-more a svg{width:1.125rem;height:1.125rem;margin-left:.5rem}}.book:last-child{margin-bottom:0}@media screen and (min-width:60rem){.book:last-child{margin-bottom:2rem}}label{margin:0 0 1rem;font-family:Karla,sans-serif}textarea{height:7.5em;resize:none}input[type=email],input[type=tel],input[type=text],textarea{-webkit-box-flex:1;-ms-flex-positive:1;flex-grow:1;border-top:0;border-right:0;border-left:0;border-bottom:solid 2px var(--black,#000);border-radius:0;padding:0 0 1.5em;font-size:1rem;font-weight:600;font-family:Karla,sans-serif;background:transparent;-webkit-appearance:none;-moz-appearance:none}input[type=email]:focus,input[type=tel]:focus,input[type=text]:focus,textarea:focus{outline:none;border-bottom:solid 2px var(--accent)}input[type=submit]{cursor:pointer}.form{width:22.125rem}.form ::-webkit-input-placeholder{color:#000}.form :-ms-input-placeholder,.form ::-ms-input-placeholder{color:#000}.form ::placeholder{color:#000}.form__notice{margin-bottom:2rem;font-size:.875rem;font-weight:600;font-family:Karla,sans-serif;text-transform:uppercase;text-align:center}.form__notice--error{color:#c00}.form__notice--success{color:#070}.form__row{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:horizontal;-webkit-box-direction:normal;-ms-flex-direction:row;flex-direction:row;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;width:100%;position:relative;margin-bottom:2rem}.form__row label{position:absolute;left:0;top:0;-webkit-transition:.2s;-o-transition:.2s;transition:.2s;line-height:1}.form__row input.error+label,.form__row input:focus+label,.form__row input:valid+label,.form__row textarea.error+label,.form__row textarea:focus+label,.form__row textarea:valid+label{top:100%;margin-top:-1.125rem;font-size:.75rem}.form__row input.error,.form__row textarea.error{border-bottom:2px solid #c00}.form__row input.error+label,.form__row textarea.error+label{color:#c00}.form__row:last-child{margin-top:3rem}.contact{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;width:100%;padding:4.0625rem 0 7.5rem;background:#f6f6f6}.contact h2{margin-bottom:2.5rem}.header,.home .header{background-position:bottom;background-repeat:no-repeat;background-size:cover}.home .header{height:540px}@media screen and (min-width:60rem){.home .header{height:880px}}.home #content{margin-top:-540px;background:transparent}@media screen and (min-width:60rem){.home #content{margin-top:-880px}}.home .entry-header{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;height:540px}@media screen and (min-width:60rem){.home .entry-header{height:300px;margin:120px 0}}.home .entry-header .entry-title{font-family:Karla,sans-serif;font-size:1.875rem;margin-bottom:0;text-align:center;max-width:100%}@media screen and (min-width:60rem){.home .entry-header .entry-title{font-size:4.5rem}}.home .entry-header .entry-description{font-family:Karla,sans-serif;font-size:1.125rem;margin-bottom:0;text-align:center;max-width:100%}.page:not(.home) .header{height:240px}@media screen and (min-width:60rem){.page:not(.home) .header{height:880px}}.page.catalog .header{height:381px}.page.catalog .page-header{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;height:23.75rem;margin-top:-23.75rem}@media screen and (min-width:60rem){.page.catalog .header{height:450px}.page.catalog .page-header{height:381px;margin-top:-381px}}.home #content{width:100%}@media screen and (min-width:90rem){.home #content{max-width:1440px}}.latest-books{margin:4rem 0 8rem}.latest-books .slider{width:100%;max-width:22.9375rem;margin:0 auto;position:relative}.latest-books .books{position:relative;width:calc(100% - 4rem);margin:0 auto;-webkit-box-orient:vertical;-ms-flex-direction:column;flex-direction:column;-webkit-box-align:center;-ms-flex-align:center;align-items:center;padding-left:0;z-index:99}.latest-books .booknav,.latest-books .books{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-direction:normal}.latest-books .booknav{top:0;left:0;width:100%;max-width:28.0625rem;-webkit-box-orient:horizontal;-ms-flex-direction:row;flex-direction:row}.latest-books .booknav,.latest-books .next,.latest-books .previous{position:absolute;margin-top:0;height:100%;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}.latest-books .next,.latest-books .previous{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;width:1.5625rem}.latest-books .next svg,.latest-books .previous svg{width:1.5625rem;height:1.5625rem;margin-top:0}.latest-books .next svg path,.latest-books .previous svg path{fill:var(--primary,#b01109)}.latest-books .previous{left:0}.latest-books .next{right:0}@media screen and (min-width:60rem){.latest-books .slider{width:calc(100vw - 5.125rem);max-width:75rem}.latest-books .books{-webkit-box-orient:horizontal;-webkit-box-direction:normal;-ms-flex-direction:row;flex-direction:row;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}.latest-books .books .book{margin-right:1rem;margin-left:1rem}.latest-books .booknav{width:calc(100% + 4rem);max-width:100vw;left:-2rem}.latest-books .next,.latest-books .previous{width:2rem}.latest-books .next svg,.latest-books .previous svg{width:2rem;height:2rem}}.latest-books .catalog-link{text-align:center}fieldset{border-top:solid 2px var(--accent);font-family:Karla,sans-serif}fieldset h2,fieldset h3{margin-bottom:0;font-size:1rem;font-weight:700;text-align:left;text-transform:none}fieldset h2:before,fieldset h3:before{display:none}fieldset h2 button,fieldset h3 button{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:horizontal;-webkit-box-direction:normal;-ms-flex-direction:row;flex-direction:row;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;all:inherit;width:100%;padding:1rem 1.1875rem;margin:0;border-top:0}fieldset h2 button svg,fieldset h3 button svg{display:block;float:right;margin-top:.5rem}fieldset h2 button:focus,fieldset h2 button:hover,fieldset h3 button:focus,fieldset h3 button:hover{color:var(--primary);background:var(--bg-body)}fieldset h2 button:active,fieldset h3 button:active{-webkit-box-shadow:none;box-shadow:none}fieldset [aria-expanded=true]{color:var(--primary)}fieldset [aria-expanded=true] svg{-webkit-transform:rotate(180deg);-o-transform:rotate(180deg);transform:rotate(180deg)}fieldset h2 [aria-expanded=true]{border-bottom:solid 2px var(--accent);background:#fafdff}fieldset [type=radio]{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;border:0!important;overflow:hidden!important;clip:rect(1px,1px,1px,1px)}fieldset .label{display:inline-block;width:calc(100% - 2rem)}fieldset [type=radio]+label{cursor:pointer;display:block;padding:1rem 1.1875rem;margin-bottom:0}fieldset [type=radio]+label svg{display:none}fieldset [type=radio]:focus label{cursor:pointer;display:block}fieldset [type=radio]:checked+label{color:var(--primary);font-weight:700}fieldset [type=radio]:checked+label svg{display:block;float:right;margin-top:.5rem;width:1rem;height:1rem;fill:transparent}fieldset:last-of-type{border-bottom:solid 2px var(--accent);margin-bottom:1rem}.js .filter-sort [type=submit]{display:none}.clear-filters{width:calc(100% - 2rem);margin:0 1rem}.catalog .books{width:calc(100% - 1rem);padding:0;margin:2rem 0 1rem 1rem}.catalog .book{height:14.375rem;width:calc(50% - 1rem);margin:0 1rem 1rem 0}.catalog-navigation{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:horizontal;-webkit-box-direction:normal;-ms-flex-direction:row;flex-direction:row;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;width:100%;margin-top:2.5rem;margin-bottom:2rem;-webkit-box-align:baseline;-ms-flex-align:baseline;align-items:baseline;font-family:Karla,sans-serif}.catalog-navigation a{color:#000}.catalog-navigation a:focus,.catalog-navigation a:hover{color:var(--primary)}.catalog-navigation .next,.catalog-navigation .previous{display:block;margin:0 1.625rem;font-family:Karla,sans-serif;font-size:1rem}.catalog-navigation .next svg,.catalog-navigation .previous svg{width:1.2rem;height:1rem;margin:.25rem .375rem 0}.catalog-navigation .next svg path,.catalog-navigation .previous svg path{fill:var(--primary)}.catalog-navigation .pages{display:inline-block;border-bottom:2px solid #ececec}.catalog-navigation .pages a,.catalog-navigation .pages span{display:inline-block;width:2.5625rem;padding:.5rem 0;font-size:1.5rem;text-align:center}.catalog-navigation .pages .current{border-bottom:solid .375rem var(--primary)}@media screen and (min-width:768px){.filter-sort{width:calc(100% - 1rem);height:7rem;margin:2rem 0 1rem 1rem}fieldset{width:calc(100% / 3 - 1rem);margin:0 1rem 1rem 0;float:left;border-top:0;position:relative}fieldset:last-of-type{border-bottom:0}fieldset h2 button{border-bottom:solid 2px var(--accent)}fieldset div:not(hidden){position:absolute;width:100%;background:var(--body-bg);z-index:99;border-right:.0625rem solid #ececec;border-left:.0625rem solid #ececec;border-bottom:.0625rem solid #ececec}fieldset div:not(hidden) .subject-groups,fieldset div:not(hidden) .subject-groups div{width:calc(100% + .125rem);margin-left:-.06125rem}fieldset div:not(hidden) .subject-groups div{position:relative;border-bottom:0}.clear-filters{width:calc(100% / 3 - 1rem);margin-left:0}.catalog .book{height:16.25rem;width:calc(100% / 3 - 1rem);margin:0 1rem 1rem 0}}@media screen and (min-width:60rem){.catalog #content{width:100%;max-width:90rem;background:transparent}.catalog .book{max-width:calc(100% / 3 - 1rem)}}@media screen and (min-width:90rem){.catalog #content{width:100%;max-width:103.125rem}.filter-sort{width:calc(25% - 1rem);height:auto;float:left;margin-left:0}fieldset{width:100%;display:block;margin-bottom:0}fieldset div:not(hidden){position:relative;border:0}.clear-filters{width:100%;margin-left:0}.catalog .books{width:75%;float:right;margin-left:0}.catalog-navigation{width:75%;float:right;padding-right:1rem}} |