Team:UCL PG/Sponsor
From 2013.igem.org
a.tip { position: relative; } a.tip span { display: none; position: absolute; top: 20px; left: -10px; width: 125px; padding: 5px; z-index: 100; background: #000; color: #fff; -moz-border-radius: 5px; /* this works only in camino/firefox */ -webkit-border-radius: 5px; /* this is just for Safari */ } a:hover.tip { font-size: 99%; /* this is just for IE */ } a:hover.tip span { display: block; }