html, body {
  background-color: #000;
  min-height: 100%;
}

canvas {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.dribbble {
  position: fixed;
  display: block;
  right: 20px;
  bottom: 20px;
}
.dribbble img {
  display: block;
  height: 28px;
}

.twitter {
  position: fixed;
  display: block;
  right: 64px;
  bottom: 14px;
}
.twitter svg {
  width: 32px;
  height: 32px;
  fill: #1da1f2;
}