canvas{
  position:absolute;
  top:0px; left:0px;
}
#stats{
  color:white;
  background-color:rgba(255, 255, 255, 0.3);
  font-size:20px;
  padding:40px;
  position:absolute;
  top:0px; left:0px;
}
#rules{
  opacity:0;
  color:white;
  background-color:rgba(255, 255, 255, 0.1);
  font-size:20px;
  position:absolute;
  text-align:center;
  top:40vh;
  width:96vw;
  left:0px;
  padding:2vw;
  
  -webkit-animation:disappear 4s linear;
}
@-webkit-keyframes disappear{
  from{
    opacity:1;
  }
  70%{
    opacity:1;
  }
  100%{
    opacity:0;
  }
}