cns-2020/style.css

.reveal {
    font-size: 38px; /* default is 42 */
}
.reveal h1 {
    font-size: 2em;
}
.reveal p {
    text-align: left;
}
.reveal blockquote {
    width: 100%;
    padding: 0 5%;
    text-align: left;
    font-size: 70%;
}

.reveal pre {
    width: 100%;
    text-align: left;
}

.reveal section img {
    border: 0px;
    margin: 0px;
}