fixed broken dropdown menues

library/css/style.css

@@ -1570,7 +1570,7 @@ you can add resource intensive styles.
   }
   .nav li ul.sub-menu,
   .nav li ul.children {
-    width: 200px;
+    margin-top: 0;
     border: 1px solid #ccc;
     border-top: 0;
     position: absolute;

library/less/_768up.less

@@ -68,7 +68,7 @@ NAVIGATION STYLES
 		*/
 		ul.sub-menu,
 		ul.children {
-			width: 200px;
+			margin-top: 0;
 			border: 1px solid #ccc;
 			border-top: 0;
 			position: absolute;

library/scss/_768up.scss

@@ -68,7 +68,7 @@ NAVIGATION STYLES
 		*/
 		ul.sub-menu,
 		ul.children {
-			width: 200px;
+			margin-top: 0;
 			border: 1px solid #ccc;
 			border-top: 0;
 			position: absolute;