.reveal {
  font-size: 30px;
  color: #000066;
  font-family: "Helvetica Neue", Arial, sans-serif;
}

.reveal h1,
.reveal h2 {
  font-size: 45px;
  color: #FF0000;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-weight: 400;
}

.reveal h3 {
  font-size: 34px;
  color: #3366cc;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-weight: 400;
}


.reveal pre,
.reveal pre code {
  font-size: 18px !important;
}

.slide-ref {
  font-size: 0.5em;
  color: #777;
}

section.small-table table,
section.small-table .dataframe {
  font-size: 0.72em !important;
}

section.small-table th,
section.small-table td {
  padding: 0.15em 0.4em;
}

/* Exercise slides */
section.exercise,
section.exercise-solution {
  background-color: #eef2f7 !important;
  border-left: 6px solid #3366cc;
  padding-left: 1.2em;
}

section.exercise h2,
section.exercise-solution h2 {
  color: #3366cc !important;
}