@charset "utf-8";
*{margin:0;padding:0;list-style-type:none;}
a,img{border:0;}
body {
  overflow: hidden;
  background: #333336;
  text-transform: uppercase;
  font-family: "Helvetica Neue", sans-serif;
}

canvas {
  position: relative;
  z-index: 100;
}

.background, .foreground {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
}

.background {
  width: 220px;
  height: 220px;
  background: rgba(0, 0, 0, 0.35);
  display: block;
  margin: -110px 0 0 -110px;
  box-shadow: inset 1px 1px 4px rgba(0, 0, 0, 0.5), 1px 1px 4px rgba(255, 255, 255, 0.2);
}

.foreground {
  width: 80px;
  height: 80px;
  margin: -40px 0 0 -40px;
  background: #333336;
  box-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
}