strong {
    color: yellow;
}
.reveal section img {
    border-width: 0;
}
.reveal section iframe {
    display: block;
    margin: 20px auto;
}
.reveal section ul {
    margin-top: 0.4em;
    margin-bottom: 0.4em;
}
.reveal section li {
    font-size: 0.75em;
}
.reveal section > ul > li {
    font-size: 0.9em;
}
.reveal h1, .reveal h2, .reveal h3, .reveal h4, .reveal h5, .reveal h6 {
    text-transform: none;
}