User:Dubaduba~enwiki/cologneblue.css

/* start tooltip code */

div.info { z-index:24;                     /*required */ position:relative;              /*required */ background-color:yellow;        /*use any color you like */ cursor:help                     /*optional, or use another cursor */ }

div.info:hover { z-index:25;                     /*required */ background-color:pink           /*use any color you like */ }

div.info:hover div.urlexpansion { display:block;                  /*required */ position:absolute;              /*required */ /*border and size specifications, change as you like */ top:2em; left:2em; width:15em; /* colors, change as you like */ border:1px solid #0cf; background-color:#cff; color:#000; }

/* end tooltip code */