BODY { 
	padding: 1em; 
}

.table_w_margin {
	width: calc(100% - 2em);
	margin: 1em;
}

.msg {
    text-align: center;
	margin: 3em 1em;
}

TD.pos {
	width: 5em;
	text-align: center;
}

DIV.box {
	break-inside: avoid;
	margin-bottom: 2em;
}

H1 {
	font-size: 1.25em;
}

@media screen and (max-width:600px) {
	BODY { padding: 5em 0 2em; }
}