html {
  cursor: url("../img/pistol3.png"), auto;
}

body {
  background: -webkit-gradient(linear, left top, left bottom, from(#808080), color-stop(#888888), to(#333));
  background: linear-gradient(to bottom, #808080, #888888, #333);
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

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

#collisionCanvas {
  background-color: antiquewhite;
  opacity: 0;
}

#restart {
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  outline: none;
  -webkit-box-shadow: none;
          box-shadow: none;
  border: none;
  background: none;
  top: 60%;
  cursor: inherit;
  font: 3rem Impact;
  color: #ffefd5;
  text-shadow: -5px -5px black;
  visibility: hidden;
}