/* Set height to 100% for body and html to enable the background image to cover the whole page: */
body, html {
  background-color: #7ba8bc;
  margin:0;
}
.logo {
  width:100vw;
  height:100vh;
}
.logo img {
	position:fixed;
	max-height:80vh;
	max-width:80vw;
	top: 50%;
 	left: 50%;
 	transform: translate(-50%, -50%);
}