Fix #63.

assets/styles/components/_forms.scss

@@ -16,7 +16,7 @@ textarea {
   border-top: 0;
   border-right: 0;
   border-left: 0;
-  border-bottom: solid 2px var(--black);
+  border-bottom: solid 2px var(--black, #000);
   border-radius: 0;
   padding: 0 0 1.5em;
   font-size: 1rem;

dist/mix-manifest.json

@@ -1,6 +1,6 @@
 {
     "/scripts/aldine.js": "/scripts/aldine.js?id=1f58027f7de9942caf57",
-    "/styles/aldine.css": "/styles/aldine.css?id=fa7bbb302e39b92990db",
+    "/styles/aldine.css": "/styles/aldine.css?id=23585277fc9935ca45bb",
     "/styles/editor.css": "/styles/editor.css?id=d96762ab5918cde0c2e1",
     "/scripts/customizer.js": "/scripts/customizer.js?id=1b0d3cfc1d85f460af53",
     "/scripts/catalog-admin.js": "/scripts/catalog-admin.js?id=d25f1240496bd3607338"

package.json

@@ -4,12 +4,7 @@
 	"author": "Pressbooks (Book Oven Inc.) <code@pressbooks.com>",
 	"homepage": "https://github.com/pressbooks/pressbooks-aldine/",
 	"description": "Aldine is the root theme for Pressbooks.",
-  "keywords": [
-    "publishing",
-    "catalog",
-    "pressbooks",
-    "default-theme"
-  ],
+	"keywords": ["publishing", "catalog", "pressbooks", "default-theme"],
 	"private": true,
 	"repository": {
 		"type": "git",
@@ -24,11 +19,7 @@
 			"url": "https://opensource.org/licenses/GPL-3.0"
 		}
 	],
-  "browserslist": [
-    "last 2 versions",
-    "android 4",
-    "opera 12"
-  ],
+	"browserslist": ["last 2 versions", "android 4", "opera 12"],
 	"eslintConfig": {
 		"extends": "./node_modules/pressbooks-build-tools/config/eslint.js",
 		"globals": {
@@ -40,14 +31,19 @@
 		"extends": "./node_modules/pressbooks-build-tools/config/stylelint.js"
 	},
 	"scripts": {
-    "build": "cross-env NODE_ENV=development webpack --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js",
-    "build:production": "cross-env NODE_ENV=production webpack --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js",
-    "build:profile": "cross-env NODE_ENV=production webpack --progress --profile --json --config=node_modules/laravel-mix/setup/webpack.config.js",
-    "start": "cross-env NODE_ENV=development webpack --watch --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js",
+		"build":
+			"cross-env NODE_ENV=development webpack --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js",
+		"build:production":
+			"cross-env NODE_ENV=production webpack --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js",
+		"build:profile":
+			"cross-env NODE_ENV=production webpack --progress --profile --json --config=node_modules/laravel-mix/setup/webpack.config.js",
+		"start":
+			"cross-env NODE_ENV=development webpack --watch --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js",
 		"rmdist": "rimraf dist",
 		"lint": "npm run -s lint:scripts && npm run -s lint:styles",
 		"lint:scripts": "node_modules/eslint/bin/eslint.js \"assets/scripts/*.js\"",
-    "lint:styles": "node_modules/stylelint/bin/stylelint.js \"assets/styles/**/*.scss\" --syntax scss",
+		"lint:styles":
+			"node_modules/stylelint/bin/stylelint.js \"assets/styles/**/*.scss\" --syntax scss",
 		"test": "npm run -s lint"
 	},
 	"engines": {
@@ -57,7 +53,7 @@
 		"pressbooks-build-tools": "^0.10.0"
 	},
 	"dependencies": {
-    "aetna": "^1.0.0-alpha.1",
+		"aetna": "^1.0.0-alpha.3",
 		"isotope-layout": "^3.0.5",
 		"jquery-bridget": "^2.0.1",
 		"js-cookie": "^2.2.0",

yarn.lock

@@ -178,9 +178,9 @@ adjust-sourcemap-loader@^1.1.0:
     object-path "^0.9.2"
     regex-parser "^2.2.1"
 
-aetna@^1.0.0-alpha.1:
-  version "1.0.0-alpha.1"
-  resolved "https://registry.yarnpkg.com/aetna/-/aetna-1.0.0-alpha.1.tgz#0c9954a6797f89d7ddb0bc56f9a420b07dc667e1"
+aetna@^1.0.0-alpha.3:
+  version "1.0.0-alpha.3"
+  resolved "https://registry.yarnpkg.com/aetna/-/aetna-1.0.0-alpha.3.tgz#c520d4a0f66ff13829e54d8ef123de43bf469b35"
   dependencies:
     "@frctl/fractal" "^1.1.7"