html, body {
	font-size: 30pt;
}

html {
	margin: 0;
	padding: 0;
}

body {
	position: fixed;
	margin: 0;
	padding: 0;
	width: 100%;
	height: 100%;
	background: #FFFFFF;
	display: grid;
	grid-template-columns: 80% 20%;
	grid-template-rows: 32px auto;
	justify-items: center;
	align-items: center;
}

.screen_layout {
	position: relative;
	width: 100%;
	height: 100%;
}

#top_left {
	grid-area: 0 0;
	background-color: red;
}

#top_right {
	grid-area: 0 1;
	background-color: yellow;
}

#bottom_left {
	grid-area: 1 1;
	background-color: black;
}

#bottom_right {
	grid-area: 1 0;
	background-color: blue;
}

#playfield {
	position: absolute;
	top: 10px;
	left: 10px;
}