.shwv-web-server-config code, 
.shwv-web-server-config kbd
{
    background: none;
    background: none;
}

pre.shwv-web-server-config {
    background: #f0f0f1;
    width: auto;
    padding-left: 1em;
}

.shwv-settings-p {
        max-width: 50em;
}