100vh on #panel only if mobile

less/style.less

@@ -20,9 +20,11 @@ body {
 	min-height: 100%;
 }
 
+@media (max-width: @screen-xs-max) {
 	#panel.slideout-panel {
 		min-height: 100vh;
 	}
+}
 
 button, a {
 	-webkit-tap-highlight-color: rgba(0,0,0,0);