* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: 'Fira Sans', sans-serif;
  font-size: 14pt;
}

body {
  padding: 0.5rem;
}

pre code {
  font-family: 'Source Code Pro', monospace;
}
pre code:focus {
  outline: none;
}

button {
  cursor: pointer;
}

.hidden {
  display: none;
}

.slide {
  clear: both;
}
.controls {
  display: flex;
  flex-direction: row;
  justify-content: center;
}
.controls button {
  background: none;
  border: none;
  font-size: 14pt;
  color: #ccc;
}
.controls__dot {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background-color: #ccc;
  cursor: pointer;
  margin-right: 0.25rem;
}
.controls__dot:last-child {
  margin-right: 0;
}
.dot--active {
  background-color: #888;
}

[data-stage] { display: none; }
[data-stage-showing] { display: block !important; }