blockquote::before {
    content: "\201c";
    float: left;
    font-size: 2.75em;
    font-weight: bold;
    line-height: .6em;
    margin-left: -.6em;
    color: #7a2518;
    text-shadow: 0 1px 2px rgba(0, 0, 0, .1);
}

.reveal blockquote {
    box-shadow: none
}

.reveal blockquote + .attribution {
    font-size: 0.7em;
    margin-top: .75em;
    margin-right: .5ex;
    text-align: right;
}

.reveal pre {
    width: 100%;
}

.reveal .hljs {
    max-height: 560px;
    padding: 0.2em;
}

.reveal .big-center-text .slide-content{
    font-size: 3rem;
}

/* big code */
.reveal .listingblock.big-code .hljs {
    max-height: 420px;
}

/* half code */
.reveal .listingblock.half-code .hljs {
    max-height: 300px;
}

/* inline code */
.reveal p code {
    background: #afb8c133;
    border-radius: 10px;
    white-space: nowrap;
    padding: 0.2em;
}

.color-emphasis {
    color: #1a6091;
}

/* fit images in the slides */
.reveal .imageblock {
    margin: 0 auto;
}
.reveal img {
    max-height: calc(var(--slide-height) * 0.65);
}