html, body {
	margin: 0;
	padding: 0;
	height: 100%;
	background: #1b1f22;
	overflow: hidden;
  }
  
  .bg {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-image: url("images/bg.jpg");
	background-size: cover;
	background-position: center;
	z-index: 0;
	filter: brightness(0.5);
  }
  
  .centered-logo {
	position: fixed;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	z-index: 1;
  }
  
  .centered-logo img {
	max-width: 80vw;
	max-height: 80vh;
  }