.modules {
        width:120px;
        margin-left:5px;
        margin-top:10px;
        display: block;background-color: #00ff00;
border: solid 1px #ffffff;
 } 
.modules_a {
    width:120px;
    margin:10px;
    display: block;
    font-family: sans-serif;
text-decoration: none;
font-size: 14px;
font-weight: bold;
color: #ff0000;
text-align: justify;

}

.modules_a:hover {
    width:120px;
    margin:10px;
    display: block;font-family: sans-serif;
text-decoration: none;
font-size: 14px;
font-weight: bold;
color: #0000d2;
text-align: justify;

    overflow: auto;
}