body {
  padding: 0;
  margin: 0;
  color: #fff;
  font-weight: 100;
  font-size: 0.7em;
  overflow: hidden;
  font-family: 'Open Sans';
}

app {
  display: block;
  width: 100%;
  height: 100vh;
}

button {
  display: inline-block;
  padding: .5em .8em;
  margin: .2em;
  background: none;
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 26px;

  &:focus {
    outline: none;
  }

  &[disabled] {
    opacity: .3;
    cursor: not-allowed;
  }
}

header {
  background: rgba(22, 42, 60, 0.71);
  height: 50px;
  line-height: 50px;
  padding: 0 20px;
  position: absolute;
  top: 0;
  left: 0;
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
  -webkit-backface-visibility: hidden;
  transform: translate(-50%, -50%);
  left: 50%;
  top: 50%;
  z-index: 999;
  border-radius: 5px;
  text-align: center;

  h1 {
    padding: 0;
    margin: 0;
    display: inline-block;
    font-size: 22px;
    font-weight: 100;
    white-space: nowrap;

    small {
      color: #999;
      font-size: 11px;
      font-style: italic;
    }
  }
}

nav {
  position: absolute;
  bottom: 20px;
  right: 20px;
  z-index: 999;
}

canvas {
  position: fixed;
  top: 0;
}
