body {
    color: white;
    background-color: black;
    margin-left: 30px;
    margin-top: 30px;
}

h1 {
    margin-bottom: 0px;
}

pre {
    color: #727272;
}

.in {
    display: inline-block;
    color: #727272;
    margin-left: 20px
}

.ref {
    color: white;
    font-size: 1.1em;
}


#footer {
    position: fixed;
    bottom: 0px;
    right: 0px;
    left: 0px;
    background-color: rgba(0, 0, 0, 0);
    background-image: linear-gradient(to bottom, rgba(0, 0, 0, 0), rgb(60, 60, 60));
}

#footer pre {
    color: black;
    margin-bottom: 0;
}