diff --git a/sass/app.scss b/sass/app.scss
new file mode 100644
index 00000000..e2b5f804
--- /dev/null
+++ b/sass/app.scss
@@ -0,0 +1,177 @@
+#sidebar-menu {
+  background-color: #f5f5f5;
+  border-right: 1px solid #ccc;
+  position: fixed;
+  overflow-y: auto;
+  width: 250px;
+  height: 100%;
+}
+
+ul {
+  padding: 0;
+  margin: 0;
+}
+
+li {
+  list-style: none;
+  padding: 0;
+}
+
+.sidebar__level-1 {
+  padding: .5rem 1rem;
+}
+
+.sidebar__level-1, .sidebar__level-2 {
+  padding-left: 15px;
+}
+
+.sidebar__level-2 {
+  margin-left: 15px;
+}
+
+.sidebar__level-1:hover,
+.sidebar__level-2--item:hover {
+  cursor: pointer;
+  background-color: rgba(0, 0, 0, 0.05);
+}
+
+#sidebar-menu .sidebar__level-2--item {
+  padding: 0 20px 0 0;
+}
+
+#sidebar-menu .sidebar__level-2--item .fa.pull-right {
+  position: relative;
+  top: 2px;
+}
+
+#sidebar-menu .fa-star-o {
+  color: #f5f5f5;
+}
+
+#sidebar-menu .sidebar__level-2--item:hover .fa-star-o {
+  color: #000;
+}
+
+#sidebar-menu .sidebar__level-2--item .fa-star-o:hover {
+  color: #000;
+}
+
+#sidebar-menu .fa-star {
+  color: #666;
+}
+
+.sidebar__level-1 {
+  font-size: 2rem;
+  line-height: 3rem;
+}
+
+.sidebar__level-1--item {
+  margin-top: 0;
+}
+
+.sidebar__level-1--item:nth-child(1) {
+  margin: 0;
+}
+
+#sidebar-menu .sidebar__actions--list {
+  margin-top: 1rem;
+}
+
+.sidebar__action--item {
+  text-align: center;
+}
+
+.sidebar__action {
+  width: 80%;
+}
+
+.sidebar__level-2--item.active {
+  background-color: #555;
+  color: #fff;
+}
+
+.sidebar__level-2--item.active i {
+  display: none;
+}
+
+.menu--bottom {
+  position: absolute;
+  bottom: 0;
+  left: 0;
+  width: 100%;
+}
+
+.menu--bottom .sidebar__level-1 {
+  background-color: transparent;
+  padding: 1rem;
+}
+
+#main-content {
+  margin-left: 250px;
+}
+
+.pane-title {
+  margin-bottom: 1em;
+}
+
+.keymap__name.active,
+.keymap__abbrev.active {
+  box-shadow: 0 0 0px 1px #ccc, 0 0 5px 0px #ccc;
+  border-color: transparent;
+}
+
+.keymap__name,
+.keymap__abbrev {
+  border: none;
+  border-bottom: 2px dotted #999;
+}
+
+.keymap__name,
+.keymap__name.active,
+.keymap__abbrev,
+.keymap__abbrev.active {
+  padding: 0 .5rem;
+  margin: 0 .25rem;
+}
+
+.keymap__is-default.fa-star {
+  color: #333;
+}
+
+.keymap__is-default.fa-star-o {
+  color: #333;
+}
+
+.keymap__is-default:hover {
+  color: #555;
+  cursor: pointer;
+}
+
+.uhk {
+  max-width: 100%;
+}
+
+.owl-carousel {
+  max-width: 991px;
+  margin: auto;
+}
+
+.owl-carousel .item img {
+  display: block;
+  width: 100%;
+  height: auto;
+}
+
+.sidebar__level-1 .fa.fa-chevron-down,
+.sidebar__level-1 .fa.fa-chevron-up {
+  margin-right: 1rem;
+  font-size: 1.5rem;
+  position: relative;
+  top: .5rem;
+  display: none;
+}
+
+.sidebar__level-1:hover .fa.fa-chevron-down,
+.sidebar__level-1:hover .fa.fa-chevron-up {
+  display: inline-block;
+}