fix: lint styles

assets/styles/aldine.scss

@@ -6,7 +6,7 @@
  * Prefix your imports with `~` to grab from node_modules/
  * @see https://github.com/webpack-contrib/sass-loader#imports
  */
-@import "~aetna/assets/styles/aetna.scss";
+@import "~aetna/assets/styles/aetna";
 
 /** Import theme styles */
 @import "common/global";

assets/styles/components/_book.scss

@@ -8,6 +8,7 @@
   margin: 0 0 2rem;
   padding: 1.5rem 1rem 2rem;
   @media #{$breakpoint-not-small} { padding: 1.5rem 1.85rem 2.1875rem; }
+
   border: solid 2px var(--accent);
   background: var(--accent);
 
@@ -27,6 +28,7 @@
     margin: 0;
     font-size: 1.25rem;
     @media #{$breakpoint-not-small} { font-size: 1.75rem; }
+
     font-weight: 500;
     line-height: 1.2;
     text-align: left;
@@ -38,14 +40,15 @@
     @media #{$breakpoint-not-small} {
       font-size: 1rem;
     }
+
     text-align: left;
   }
 
   &__institutions {
-    margin: .5rem 0 0 0;
+    margin: .5rem 0 0;
     font-size: 0.875rem;
     text-align: left;
-    display: -webkit-box;
+    display: box;
     overflow: hidden;
     -webkit-line-clamp: 2;
     -webkit-box-orient: vertical;
@@ -55,6 +58,7 @@
     margin: auto 0 0;
     font-size: 1rem;
     @media #{$breakpoint-not-small} { font-size: 1.125rem; }
+
     text-align: left;
 
     a {
@@ -66,6 +70,7 @@
           height: 1.125rem;
           margin-left: 0.5rem;
         }
+
         vertical-align: middle;
       }
     }

assets/styles/components/_forms.scss

@@ -23,8 +23,7 @@ textarea {
   font-weight: 600;
   font-family: $font-family-sans-serif;
   background: transparent;
-  -webkit-appearance: none;
+  appearance: none;
-  -moz-appearance: none;
 
   &:focus {
     outline: none;
@@ -88,6 +87,7 @@ input[type="submit"] {
           font-size: 0.75rem;
         }
       }
+
       &.error {
         border-bottom: solid 2px var(--error);
 

assets/styles/editor.scss

@@ -1,8 +1,10 @@
-@import '~aetna/assets/styles/common/_variables.scss';
+@import '~aetna/assets/styles/common/variables';
-@import '~aetna/assets/styles/common/_global.scss';
+@import '~aetna/assets/styles/common/global';
 
 body#tinymce {
   margin: 12px !important;
-  @import '~aetna/assets/styles/components/_buttons.scss';
+  /* stylelint-disable no-invalid-position-at-import-rule */
-  @import '~aetna/assets/styles/layouts/_page-sections.scss';
+  @import '~aetna/assets/styles/components/buttons';
+  @import '~aetna/assets/styles/layouts/page-sections';
+  /* stylelint-enable */
 }

assets/styles/layouts/_header.scss

@@ -12,6 +12,7 @@
 
   @media #{$breakpoint-large} {
     height: 880px;
+
     .header__inside {
       position: relative;
       z-index: 99;
@@ -47,6 +48,7 @@
       line-height: 1.25em;
       margin-top: 1.5em;
     }
+
     margin-bottom: 0;
     text-align: center;
     max-width: 100%;
@@ -58,6 +60,7 @@
     @media #{$breakpoint-large} {
       font-size: 2rem;
     }
+
     margin-top: 0;
     margin-bottom: 0;
     text-align: center;

assets/styles/layouts/_page-catalog.scss

@@ -12,7 +12,7 @@ fieldset {
     text-align: left;
     text-transform: none;
 
-    &:before {
+    &::before {
       display: none;
     }
 
@@ -127,6 +127,7 @@ fieldset {
     padding: 0;
     margin: 2rem 0 1rem 1rem;
   }
+
   .book {
     height: 14.375rem;
     width: calc(50% - 1rem);
@@ -224,12 +225,12 @@ fieldset {
 
     .subject-groups {
       width: calc(100% + 0.125rem);
-      margin-left: -0.06125rem;
+      margin-left: -0.0612rem;
 
       div {
         position: relative;
         width: calc(100% + 0.125rem);
-        margin-left: -0.06125rem;
+        margin-left: -0.0612rem;
         border-bottom: 0;
       }
     }

assets/styles/layouts/_page-home.scss

@@ -74,6 +74,7 @@
       width: calc(100vw - 5.125rem);
       max-width: 75rem;
     }
+
     .books {
       flex-direction: row;
       justify-content: center;
@@ -93,6 +94,7 @@
     .previous,
     .next {
       width: rem(32);
+
       svg {
         width: rem(32);
         height: rem(32);

assets/styles/layouts/_signup.scss

@@ -1,6 +1,7 @@
 .wp-activate-container,
 .mu_register.wp-signup-container {
    @extend .page-section;
+
    margin: rem(120) auto 4rem;
 
    * {

dist/mix-manifest.json

@@ -6,7 +6,7 @@
     "/scripts/customizer-toggle.js": "/scripts/customizer-toggle.js?id=c31594589675d7c5662aaddcf7a9669a",
     "/scripts/page-section.js": "/scripts/page-section.js?id=19d5c30146ea1a763bcf2bd733a75e77",
     "/styles/editor.css": "/styles/editor.css?id=3fd7086e0f2bcacabc5152bf57ca90ca",
-    "/styles/aldine.css": "/styles/aldine.css?id=accdc9da7cfbe324a98fa31f514dbe20",
+    "/styles/aldine.css": "/styles/aldine.css?id=45e9d79c2620145986f1572789ea60fa",
     "/fonts/pressbooks-theme.woff": "/fonts/pressbooks-theme.woff?id=2a7aae81673f4707bbe78c8f12b72b64",
     "/images/banner.jpg": "/images/banner.jpg?id=04a813e0b4f94ddfef1951557166e417",
     "/images/catalog-header.jpg": "/images/catalog-header.jpg?id=223b9f7a23985f2a72df72e4e4a2ffdc",

package.json

@@ -55,7 +55,10 @@
 		"assets/scripts/routes/common.js"
 	],
 	"stylelint": {
-		"extends": "./node_modules/pressbooks-build-tools/config/stylelint.js"
+		"extends": "./node_modules/pressbooks-build-tools/config/stylelint.js",
+		"rules": {
+			"scss/at-extend-no-missing-placeholder": null
+		}
 	},
 	"scripts": {
 		"build": "mix",