:root {
	--bg-color: #4080d3;
	--color: #eee;
	--dark-bg-color: #333;
	--dark-fg-color: #eee;
	}

* {
	padding: 0;
	margin: 0;
	}


body {
	height: 100dvh;

	display: grid;

	grid-template-rows: auto 1fr auto;

	font: normal 16px arial;
	}


html.busy .hide-when-busy {display: none !important;}
html:not(.busy) .hide-when-not-busy {display: none !important;}