* {
  margin: 0;
  padding: 0;
}
body {
  margin: 0;
  height: calc(100vh - 68px);
  font-family: sans-serif;
  text-align: center;
  background-color: #eeeeee;
}
main {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: start;
  align-items: center;
  padding-top: 2rem;
}
footer {
  position: sticky;
  right: 0;
  bottom: 0;
  padding: 1rem;
}
h1 {
  color: black;
  padding: 2vh;
  border-radius: 5px;
}
h3 {
  margin: 1rem;
}
a {
  color: inherit;
  text-decoration: none;
}

h1.canvas:hover,
h1.canvas:focus {
  background-color: rgb(247, 223, 28);
}
h1.webgl:hover,
h1.webgl:focus {
  background-color: rgb(233, 31, 99);
  color: white;
}
@media (hover: none) {
  h1.canvas {
    background-color: rgb(247, 223, 28);
  }
  h1.webgl {
    background-color: rgb(233, 31, 99);
    color: white;
  }
}

video {
  max-width: 100%;
  max-height: 50%;
  margin-bottom: 1rem;
}

@media (orientation: landscape) {
  main {
    flex-direction: row;
    justify-content: space-evenly;
    align-items: center;
    margin-top: 0;
  }
  video {
    max-height: 70%;
    max-width: 50%;
  }
}