body {
  -webkit-transition: background-color 1000ms linear;
  -ms-transition: background-color 1000ms linear;
  transition: background-color 1000ms linear;
  background: #ddd;
}

.logo {
	position:fixed;
	top:50%;
	left:50%;
	width:61.803%;
	transform: translate(-50%, -50%);
}

.net {
	position: fixed;
	z-index: -1;
	top:50%;
	left:50%;
	width:61.803%;
	transform: translate(-50%, -50%);
}