body,
html {
  height: 100%; }

.splash {
  display: none;
  height: 100%;
  left: 0;
  position: absolute;
  top: 0;
  width: 100%; }
  .splash img {
    height: 100px;
    left: 50%;
    position: absolute;
    top: 50%;
    -webkit-transform: translate(-50%, -50%);
        -ms-transform: translate(-50%, -50%);
            transform: translate(-50%, -50%);
    width: 100px; }

.wrap {
  display: none;
  min-height: 100vh;
  overflow: hidden;
  position: relative;
  width: 100%; }

canvas#canvas {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%; }