:root {
	--panel-width: 200px;
	--border-ridge: 3px;
}
body {
	margin: 10px;
	background-image: url(/images/viking1.jpg);
}
#main {
	width: calc(100vw - 20px - var(--border-ridge) - var(--border-ridge));
	height: calc(100vh - 20px - var(--border-ridge) - var(--border-ridge));
	border: ridge var(--border-ridge) black;
	display: flex
}
#primary {
	width: calc(100% - var(--panel-width) - var(--border-ridge) - var(--border-ridge));
	height: calc(100% - 0px);
	display: inline-block;
	background: black;
}
#panel {
	width: var(--panel-width);
	border: ridge var(--border-ridge) black;
	height: calc(100% - var(--border-ridge) - var(--border-ridge));
}
#txtScreen {
	
}
#commandLine {
	
}