div.sgc-toc-title {
    font-size: 1.5em;
    font-weight: bold;
    margin-bottom: 1em;
    text-align: center;
}

div.sgc-toc-level-1 {
    margin-left: 1em;
    margin-top: 0.5em;
}

div.sgc-toc-level-2 {
    margin-left: 2em;
}