[riot-mui] Add riot-mui in menu (#17)

src/style.css

@@ -219,4 +219,57 @@ material-card table th.material-card-th-sorted-descending:before {
 
 material-snackbar .toast {
   height: auto;
-}
+}
+
+menu {
+  position: absolute;
+  top: 0px;
+  right: 16px;
+  color: #000;
+}
+
+menu .overlay {
+  position: fixed;
+  height: 100%;
+  width: 100%;
+  top: 0;
+  right: 0;
+  z-index: 1;
+}
+
+#menu-control-button {
+  background: rgba(255,255,255,0);
+  float: right;
+}
+
+#menu-control-button i {
+  color: #fff;
+  font-size: 24px;
+}
+
+#menu-control-dropdown {
+  display: inline-block;
+  position: relative;
+}
+
+.dropdown {
+  min-width: 124px;
+  padding: 8px 0;
+  margin: 0;
+}
+
+dropdown-item, #menu-control-dropdown p {
+  padding: 0 16px;
+  margin: auto;
+  line-height: 48px;
+  height: 48px;
+  cursor: pointer;
+}
+
+#menu-control-dropdown p:hover {
+  background-color: #eee;
+}
+
+#menu-control-dropdown p:active, .material-button-active:active {
+  background-color: #e0e0e0;
+}