body {
  margin: 0;
  background: #111;
  color: white;
  font-family: sans-serif;
  overflow: hidden;
}
main {
  height: 100vh;
}
.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  text-align: center;
  font-size: 3rem;
  padding: 2rem;
  opacity: 0;
  transition: opacity 5s ease-in-out, background-color 5s ease-in-out;
  color: white !important;
  z-index: 0;
}
.slide.active {
  opacity: 1;
  z-index: 2;
}
.slide.outgoing {
  z-index: 1;
}
.slide h4 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: white;
}
.slide h2 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-top: 0;
  color: white;
}
.slide p,
.slide em {
  font-size: 2rem;
  color: white;
}
.menu-toggle {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 10;
  background: none;
  border: none;
  color: white;
  font-size: 2rem;
  cursor: pointer;
}
#settings {
  display: none;
  position: absolute;
  top: 3.5rem;
  left: 1rem;
  background: #222;
  padding: 1rem;
  border-radius: 8px;
  z-index: 20;
  color: white;
}
#settings.show {
  display: block;
}
#settings label,
#settings input,
#settings textarea,
#settings button {
  color: white;
}
textarea {
  min-height: 200px;
  font-family: monospace;
  background: #111;
  color: white;
}
input[type="datetime-local"] {
  background: #111;
  color: white;
}