Di seguito in codici CSS e HTML utilizzati

HTML

<div class="sito-left"><a href="http://www.sito.it/"></a>Test prova</div>

CSS

.sito-left {
float:left;
margin:0;
padding: 10px 0 0 24px;
width: 130px;
text-align: left;
height: 25px;
border-right: 1px solid #ced9ec;
border-bottom: 1px solid #b3c1db;
color:#1f3d71;
font: 13px Arial, Helvetica, sans-serif;
background: #e4ebf8 url(/images/center-blue.png) repeat-y left top;
}
a:link {
color: blue;
text-decoration:none;
}

a:visited {
color: purple;
text-decoration:none;
}

a:active {
background-color: yellow;
text-decoration:none;
}

a:hover {
color:red;
text-decoration:none;
}