fix a lot of problems and add js for menus

src/styles/components/sidebar.scss

@@ -15,8 +15,10 @@
     /*-webkit-backface-visibility: hidden;*/
 
     &.sidebar-is-closed {
-      margin-left: -15.5rem;
-      transform: translate(15.5rem);
+      @include breakpoint(769px, 0) {
+        margin-left: -15.5rem;
+        transform: translate(15.5rem);
+      }
     }
   }
 
@@ -111,7 +113,14 @@
       }
     }
 
-    &.jsRightMenu.offsite-is-closed {
+    &.jsRightMenu {
+
+      @include breakpoint(sm) {
+        display: none;
+      }
+    }
+
+    &.jsRightMenu:not([open]) {
       transform: translate(15.5rem);
 
       & .jsOffsiteToggle::before {
@@ -119,9 +128,10 @@
       }
     }
     
-    &.jsRightMenu.mobile-opened {
+    &.jsRightMenu[open] {
 
       @include breakpoint(sm) {
+        display: block;
         background: $color-221-51-90;
         bottom: 0;
         box-shadow: 0 2px 9px 0 rgba(0, 0, 0, 0.12);
@@ -132,12 +142,5 @@
         z-index: 1;
       }
     }
-
-    &.jsRightMenu.mobile-closed {
-
-      @include breakpoint(sm) {
-        display: none;
-      }
-    }
   }
 }