html,
body {
	height: 100%;
	width: 100%;
	overflow: hidden;
	background-color: #333;
}

.bloc-logo {
	margin: auto;
	position: absolute;
	top: 20%;
	left: 0;
	right: 0;
	height: 274px;
	width: 250px;
}

.bloc-logo canvas,
.bloc-logo .logo-mask {
	display: block;
	width: 250px;
	height: 274px;
}

.bloc-logo .logo-mask {
	position: absolute;
	top: 0;
	left: 0;
	background-size: 250px;
	background-image: url('./netsted-logo.png');
	text-indent: -9999px;
	background-repeat: no-repeat;
}