:root {
  --brand-color: #002eff;
  --fs-footer-bg: #003366;
  --font-family: "Source Sans Pro", sans-serif;
  --font-size: 28px;
}

html,
body,
.reveal,
.reveal .slides {
  font-family: var(--font-family);
  font-size: var(--font-size);
}

.reveal .progress {
  height: 7px;
  background-color: rgba(0, 0, 0, 0.2);
  color: var(--brand-color);
}

.reveal .slides section.level2 {
  top: 0 !important;
  padding-top: 1.5rem;
}

.reveal .slides section.level2 > h2:first-child {
  margin-top: 0;
}

.reveal h2 {
  margin-bottom: 1em;
}

.reveal blockquote {
  border-left: 5px solid var(--brand-color);
  padding-left: 0.8em;
}

.reveal pre.sourceCode,
.reveal pre.text {
  font-size: 0.9em;
  line-height: 1.4;
}

.reveal .smaller {
  font-size: 0.8em;
}

.reveal .much_smaller {
  font-size: 0.6em;
}

.learning-objectives {
  border-left: 6px solid #2c7be5;
  background-color: #f5f8ff;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  border-radius: 6px;
}

.learning-objectives::before {
  content: "Learning objectives";
  display: block;
  font-weight: 700;
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
}

.highlight_must_learn {
  border-left: 4px solid #e57373;
  padding-left: 12px;
}