html,
body {
  font-family: Avenir, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  position: relative;
  text-align: center;
}

#dice-box {
  position: absolute;
  top: 0;
  left: 0;
  box-sizing: border-box;
  width: 100%;
  height: 100%;
}

#dice-box canvas {
  width: 100%;
  height: 100%;
  z-index: 1;
}

h1,
button#rollem {
  position: relative;
  z-index: 2;
  font-size: 33pt;
  background-color: rgba(0,0,0,0.1);
}

button#rollem {
  cursor: pointer;
}