body {
    font-family: Verdana, sans-serif;
}

.screen {
    font-family: monospace;
    font-size: 1em;
    display: block;
    padding: 10px;
    border: 1px solid #bbb;
    background-color: #eee;
    color: #000;   
    overflow: auto;
    border-radius: 2.5px;
    -moz-border-radius: 2.5px;
    margin: 0.5em 2em;
}

a {
    text-decoration: none;
    border-bottom: 1px dotted #000;
}

a:hover {
    background-color: #777;
    color: #fff;
}