html, body {
  margin: 0;
  padding: 0;
}
canvas {
  display: block;
}

body{
  background-color:rgb(0,0,0);
  transition-duration:5s;

}
#area{
  width:100vw;
  height: 100vh;
  position: fixed;
  top:0px;
  left:0px;
  overflow: hidden;
}


#bg{
  position: absolute;
  transition-duration:29s;
  width:1048px;
  height:512px;
  opacity: 0.4;
  left:0px;
  bottom:0px;
}