body {
	margin-top: 25px;
	font-size: 21px;
	font-family: arial, sans-serif;
	text-align: center;
	overflow-y: hidden;
	background-image: url('bg.jpg');
	background-size: cover;
	background-repeat: no-repeat;
}

.container {
	position: absolute;
	top: 50%;
	left: 50%;
	-moz-transform: translateX(-50%) translateY(-50%);
	-webkit-transform: translateX(-50%) translateY(-50%);
	transform: translateX(-50%) translateY(-50%);
}

.dock {
	margin: 15px; margin-top: 20px; margin-bottom: 20px;
	width: 700px;
	border-radius: 25px;
	background-color: rgba(0, 0, 0, 0.5);
	color: rgb(255, 255, 255);
	-webkit-backdrop-filter: blur(5px);
	backdrop-filter: blur(5px);
}