custom.css

@media screen {
  .full .progress div {
    height: 3px;
  }
}

.slide ol li:before, .slide ul li:before {
  color: #aaa;
}
.slide:after {
  content: none;
}

.slide.shout h3 {
  text-align: center;
  font-size: 2em;
  font-family: "PT Sans Narrow";
  color:  #aaa;
  margin-top: 350px
}

.slide.wide>div {
  width: 100%;
  padding-left: 0;
  padding-right: 0;
}
.slide.wide>div>h2 {
  padding-left: 120px;
}

.slide.nomargins>div {
  padding: 0;
  width: 100%;
  height:  100%;
}
.slide.nomargins>div>h2 {
  padding-left: 10px;
  padding-top: 10px;
  margin-bottom: .3em;
}

.slide.shadow {
  text-shadow: 5px 5px 10px #000;
}

.slide p {
  margin: 0 0 20px;
}

.slide ul {
  margin-bottom: 20px;
}

img.border {
  margin-top: 1em;
  margin-bottom: 1em;
  border: 5px solid #ddf;
}
img.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

a.credits {
  position: absolute;
  bottom: 0;
  left: 1em;
  text-decoration: none;
  border-bottom: 0;
  font-size: 70%;
}

.monospace {
  font-family: Consolas, Monaco, 'Andale Mono', monospace;
}

pre[class*="language-"] {
  padding: .2em;
  position: relative;
  overflow-y: auto;
}
pre[class*="language-"].line-numbers {
  padding-left: 2.5em;
}
:not(.codeonly) > code[class*="language-"] {
  max-height: 70%;
}
.slide.codeonly>div>h2 {
  font-size: 1em;
}
.codeonly pre[class*="language-"] {
  height: 582px;
}
pre[class*="language-"] > code {
  font-size: 68%;
  line-height: 25px;
}

:not(pre) > code[class*="language-"] {
  font-size: 85%;
  background: #ffffff;
  padding: 0;
}
:not(pre) > code[class*="language-"].indent {
  margin-left: 2em;
}

pre[class*="language-"] .token.operator,
pre[class*="language-"] .token.entity,
pre[class*="language-"] .token.url,
pre[class*="language-"] .language-css .token.string,
pre[class*="language-"] .style .token.string,
pre[class*="language-"] .token.variable {
  background: #f5f2f0;
}


pre[class*="drupal-"] code:after,
code[class*="drupal-"]:after {
  position: absolute;
  color: #888;
  font-family: "PT Sans";
  font-weight: bold;
  font-size: 140%;
  right: .1em;
  bottom: .05em;
  overflow: hidden;
}
pre.drupal-7 code:after,
code.drupal-7:after {
  content: "D7";
}
pre.drupal-8 code:after,
code.drupal-8:after {
  content: "D8";
}

p.related-session {
  width: 50%;
  float:left;
}