#particles-js{
	position: fixed;
	z-index: -1;
	width: 100%;
	height: 100%;
}

.wrapper{
	position: relative;
	z-index: 1;
	width: 100%;
	height: 100%;
}

.wrapper::after {
  position: absolute;
  content: '';
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  box-shadow: inset 0 0 15px 15px #fff;
}