fix animation of sidebar and prevent horizontal scrollbar, fix #9284

core/css/mobile.css

@@ -58,14 +58,9 @@
 
 /* APP SIDEBAR TOGGLE and SWIPE ----------------------------------------------*/
 
-/* prevent scrollbar when sidebar is open */
-.snapjs-left #content-wrapper {
-	overflow-x: hidden;
-}
-
 #app-navigation,
 #app-content {
-	position: absolute;
+	position: absolute !important;
 	top: 0;
 	left: 0;
 	right: 0;

core/css/styles.css

@@ -297,6 +297,7 @@ input[type="submit"].enabled {
 	position: absolute;
 	height: 100%;
 	width: 100%;
+	overflow-x: hidden; /* prevent horizontal scrollbar */
 	padding-top: 45px;
 	-moz-box-sizing:border-box;
 	box-sizing:border-box;