code, h3, h4 { color: #000 }
b { font-weight: bold }
i { font-style: italic }

h2 {
    border-bottom: none;
    text-align: center
}

section.slide {
    font-size: 40pt;
    text-align: center;
    padding-bottom: 150px !important
}

section.slide.large {
    font-size: 80pt
}

section.slide.extra-large {
    font-size: 300pt
}

section.slide.left {
    text-align: left
}

section.slide pre.src {
    text-align: left;
    font-size: 0.8em;
    white-space: pre;
    overflow-wrap: normal;
    overflow: visible;
    display: inline-block;
    border-width: 3px
}

section.slide.wide pre.src {
    font-size: 0.7em
}

.center { text-align: center }
.figure { font-size: .5em }
.figure .figure-number { display: none }