Move css to assets/css and add imports

assets/css/style.scss

@@ -0,0 +1,98 @@
+---
+---
+
+@import 'bootstrap';
+@import 'flag-icon';
+@import 'fontawesome';
+@import 'sortable-theme-bootstrap';
+
+/* BS4 */
+
+.card {
+  box-shadow: 0 3px 10px 0 rgba(150,150,150,0.2) !important;
+}
+
+/* Make links and long strings responsive */
+a, .long-string-list li {
+  word-wrap: break-word;
+}
+
+/*.card-success, */ .card-success .card-header {
+  border-color: rgba(40, 167, 69, 0.5) !important;
+}
+
+/*.card-primary, */ .card-primary .card-header {
+  border-color: rgba(0, 123, 255, 0.5) !important;
+}
+
+/*.card-warning, */ .card-warning .card-header {
+  border-color: rgba(255, 193, 7, 0.5) !important;
+}
+
+.blockquote {
+  border-left: 5px solid #eee;
+  padding: 10px 20px;
+  font-size: 1.2rem;
+  line-height: 1.35;
+}
+
+.theme-dropdown .dropdown-menu {
+  position: static;
+  display: block;
+  margin-bottom: 20px;
+}
+
+.theme-showcase > p > .btn {
+  margin: 5px 0;
+}
+
+.theme-showcase .navbar .container {
+  width: auto;
+}
+
+.anchor:target {
+  padding-top: 4rem;
+  margin-top: -4rem;
+}
+
+.anchor-icon {
+  font-size: 0.8em;
+}
+
+.panel-item {
+  float: right;
+  margin-left: 5px;
+}
+
+.share-btn {
+  display: inline-block;
+  color: #ffffff;
+  border: none;
+  padding: 1em;
+  width: 8em;
+  opacity: 0.9;
+  box-shadow: 0 2px 0 0 rgba(0,0,0,0.2);
+  outline: none;
+  text-align: center;
+}
+
+.share-btn:hover {
+  color: #eeeeee;
+}
+
+.share-btn:active {
+  position: relative;
+  top: 2px;
+  box-shadow: none;
+  color: #e2e2e2;
+  outline: none;
+}
+
+.share-btn.twitter { background: #55acee; }
+.share-btn.google-plus { background: #dd4b39; }
+.share-btn.facebook { background: #3B5998; }
+.share-btn.stumbleupon { background: #EB4823; }
+.share-btn.reddit { background: #ff5700; }
+.share-btn.linkedin    { background: #4875B4; }
+.share-btn.email { background: #444444; }
+.share-btn.diaspora { background: #2f3537; }