Import CSS separately.

bikeshop_project/core/static/scss/screen.scss

@@ -1,24 +1,142 @@
-/**
- * Copyright 2015 Google Inc. All Rights Reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 
-@import "vendor/material-design-lite/src/material-design-lite.scss";
+@import "vendor/material-design-lite/src/textfield/textfield";
+@import "vendor/material-design-lite/src/typography/typography";
+@import "vendor/material-design-lite/src/shadow/shadow";
+@import "vendor/material-design-lite/src/ripple/ripple";
+@import "vendor/material-design-lite/src/grid/grid";
+@import "vendor/material-design-lite/src/layout/layout";
+@import "vendor/material-design-lite/src/footer/mega_footer";
+@import "vendor/material-design-lite/src/checkbox/checkbox";
+@import "vendor/material-design-lite/src/button/button";
+@import "vendor/material-design-lite/src/palette/palette";
+@import "vendor/material-design-lite/src/menu/menu";
+@import "vendor/material-design-lite/src/card/card";
 
 html, body {
   font-family: 'Roboto', 'Helvetica', sans-serif;
 }
+
+/* ==========================================================================
+   Helper classes
+   ========================================================================== */
+/*
+ * Hide visually and from screen readers:
+ */
+.hidden {
+  display: none !important; }
+
+/*
+ * Hide only visually, but have it available for screen readers:
+ * http://snook.ca/archives/html_and_css/hiding-content-for-accessibility
+ */
+.visuallyhidden {
+  border: 0;
+  clip: rect(0 0 0 0);
+  height: 1px;
+  margin: -1px;
+  overflow: hidden;
+  padding: 0;
+  position: absolute;
+  width: 1px; }
+
+/*
+ * Extends the .visuallyhidden class to allow the element
+ * to be focusable when navigated to via the keyboard:
+ * https://www.drupal.org/node/897638
+ */
+.visuallyhidden.focusable:active,
+.visuallyhidden.focusable:focus {
+  clip: auto;
+  height: auto;
+  margin: 0;
+  overflow: visible;
+  position: static;
+  width: auto; }
+
+/*
+ * Hide visually and from screen readers, but maintain layout
+ */
+.invisible {
+  visibility: hidden; }
+
+/*
+ * Clearfix: contain floats
+ *
+ * For modern browsers
+ * 1. The space content is one way to avoid an Opera bug when the
+ *    `contenteditable` attribute is included anywhere else in the document.
+ *    Otherwise it causes space to appear at the top and bottom of elements
+ *    that receive the `clearfix` class.
+ * 2. The use of `table` rather than `block` is only necessary if using
+ *    `:before` to contain the top-margins of child elements.
+ */
+.clearfix:before,
+.clearfix:after {
+  content: " ";
+  /* 1 */
+  display: table;
+  /* 2 */ }
+
+.clearfix:after {
+  clear: both; }
+
+/* ==========================================================================
+   EXAMPLE Media Queries for Responsive Design.
+   These examples override the primary ('mobile first') styles.
+   Modify as content requires.
+   ========================================================================== */
+/* ==========================================================================
+   Print styles.
+   Inlined to avoid the additional HTTP request:
+   http://www.phpied.com/delay-loading-your-print-css/
+   ========================================================================== */
+@media print {
+  *,
+  *:before,
+  *:after,
+  *:first-letter {
+    background: transparent !important;
+    color: #000 !important;
+    /* Black prints faster: http://www.sanbeiji.com/archives/953 */
+    box-shadow: none !important; }
+  a,
+  a:visited {
+    text-decoration: underline; }
+  a[href]:after {
+    content: " (" attr(href) ")"; }
+  abbr[title]:after {
+    content: " (" attr(title) ")"; }
+  /*
+     * Don't show links that are fragment identifiers,
+     * or use the `javascript:` pseudo protocol
+     */
+  a[href^="#"]:after,
+  a[href^="javascript:"]:after {
+    content: ""; }
+  pre,
+  blockquote {
+    border: 1px solid #999;
+    page-break-inside: avoid; }
+  /*
+     * Printing Tables:
+     * http://css-discuss.incutio.com/wiki/Printing_Tables
+     */
+  thead {
+    display: table-header-group; }
+  tr,
+  img {
+    page-break-inside: avoid; }
+  img {
+    max-width: 100% !important; }
+  p,
+  h2,
+  h3 {
+    orphans: 3;
+    widows: 3; }
+  h2,
+  h3 {
+    page-break-after: avoid; } }
+
 .demo-avatar {
   width: 48px;
   height: 48px;