.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;

}

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