#table-of-contents {
    display: inline-block;
}

.org-center {
    text-align: center !important;
}

.reveal iframe {
    border: 0;
}

.reveal ol, .reveal ul {
    display: block !important;
}

.reveal p {
    text-align: justify;
}

.reveal pre code {
    max-height: 600px !important;
}