.container{
  position: absolute;
  width: 100%;
  height: 100%;
  background: #ccc;
  padding: 0;
}

span{
  background: #fff;
  width: 100%;
  display: block;
  text-align: center;
  margin-top: 15px;
  padding: 20px 0;
  border-radius: 10px;
  font-size: 18px;
  color: #ccc;
}

span.current{
  border: 3px solid #666;
  color: #000;
}

span.done{
  border: 3px solid #0D8000;
  color: #0D8000;
  background: #D4FFD6;
}

#button{
  margin-top: 210px;
  color: #5A9E53;
}

#crack{
  position: absolute;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: none;
}

.hidden{
  display: none;
}