.modules {
        width:120px;
        margin-left:5px;
        margin-top:10px;
        display: block;background-color: #000000;
border: solid 1px #00ff00;
 } 
.modules_a {
    width:120px;
    margin:10px;
    display: block;
    background-color: #000000;
border-left: 1px solid #00ff00;
border-right: 1px solid #00ff00;
border-top: 1px solid #00ff00;
border-bottom: 1px solid #00ff00;
font-family: Verdana;
text-decoration: none;
font-size: 14px;
color: #00ff00;
text-align: left;

}

.modules_a:hover {
    width:120px;
    margin:10px;
    display: block;background-color: #000000;
border-left: 1px solid #00ff00;
border-right: 1px solid #00ff00;
border-top: 1px solid #00ff00;
border-bottom: 1px solid #00ff00;
font-family: Verdana;
text-decoration: none;
font-size: 14px;
color: #00ff00;
text-align: left;

    overflow: auto;
}