/* author: William Staudenmeier
https://codepen.io/WilliamStaudenmeier/pen/vYQjzwr */
* {
	margin: 0;
	padding: 0;
}

body {background:black;}

#world {
	position: absolute;
	width: 100%;
	height: 100%;
	overflow: hidden;
	background: rgb(0,0,25);

  
}

@keyframes sunset
{
  50% {
    background:rgb(150,200,250);}
  
}

.wrapper

{
  z-index:10;
  opacity:.5;
  position:absolute;
  width;100%
  height:100%;
background:black;
  
webkit-animation:lighting infinite;
  -animation-duration:40s;
}

@keyframes lighting

{50% {opacity:.5;}}