menu styling

src/assets/css/_main-menu.scss

@@ -15,12 +15,23 @@ header{
           display: none;
         }
         
-      .item:not(.nav){
+      .item{
         drop-down{
           display: none;
         }
+        &.nav{
+          &::before{
+            content: '';
+            width: 24px;
+            height: 24px;
+            background-image: url('~src/assets/images/ico/chevron_right_24.svg');
+          }
+          &.selected::before{
+            transform: rotateZ(90deg);
+          }
+        }
       }
-      .item.nav + pages-menu.open.selected.lvl-1{
+      .item.nav + pages-menu.selected.lvl-1{
           position: absolute;
           left:0px;
           top:100px;