html,body {
  width:  100%;
  height: 100%;
  overflow: hidden;
}

body {
  background-color: #d6d7d9;
  cursor: none;
}

#pigeon {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
}