Adjusted language list height

The language list height has been reduced in order to
avoid overflow on small screens.

css/jquery.uls.lcd.css

@@ -8,7 +8,7 @@
 
 /* Language list */
 .uls-language-list {
-	height: 22em;
+	height: 17em;
 	overflow: auto;
 	width: auto;
 }