canvas {
  cursor: default;
  outline: none;
}

body {
  background-color: #222222;
}

.superdev {
  color: rgb(37, 37, 37);
  text-shadow: 0px 1px 1px rgba(250, 250, 250, 0.1);
  font-size: 50pt;
  display: block;
  position: relative;
  text-decoration: none;
  background-color: rgb(83, 87, 93);
  box-shadow: 0px 3px 0px 0px rgb(34, 34, 34),
  0px 7px 10px 0px rgb(17, 17, 17),
  inset 0px 1px 1px 0px rgba(250, 250, 250, .2),
  inset 0px -12px 35px 0px rgba(0, 0, 0, .5);
  width: 70px;
  height: 70px;
  border: 0;
  border-radius: 35px;
  text-align: center;
  line-height: 68px;
}

.superdev:active {
  box-shadow: 0px 0px 0px 0px rgb(34, 34, 34),
  0px 3px 7px 0px rgb(17, 17, 17),
  inset 0px 1px 1px 0px rgba(250, 250, 250, .2),
  inset 0px -10px 35px 5px rgba(0, 0, 0, .5);
  background-color: rgb(83, 87, 93);
  top: 3px;
  color: #fff;
  text-shadow: 0px 0px 3px rgb(250, 250, 250);
}

.superdev:hover {
  background-color: rgb(100, 100, 100);
}