html {
	height: 100%
}
body {
	position relative;
	background: radial-gradient(circle farthest-side at center, #66cc66 0%, #000 60%);
	overflow: hidden;
}
.scorba {
	position: absolute;
    top: -9999px;
    bottom: -9999px;
    left: -9999px;
    right: -9999px;
    margin: auto;
}