Mytheme
@import url(http://static.wikidot.com/v--d5873a42594f/common--theme/co/css/style.css?0);
 
#header {
    background-image: url(/local--files/images/banner.gif);
}
 
.hover {
    color: #3B4;
     text-decoration: underline;
    border-bottom: 1px solid;
}
.hover:hover {
     text-decoration: none;
    border-bottom: none;
}
 
.hover span {    display: none;}
.hover:hover span {
    position: absolute;
    display: inline;
    margin: 15px -20px;
    height: auto;
    width: 250px;
    background: #FFF;
    border: 2px solid #34B;
    color: #000;
    padding: 1em;
}
.hover:hover span span {
    position: relative;
    margin: auto;
    height: auto;
    width: auto;
    border: none;
    padding: 0;
}