@use 'sass:math';

$u: .25em;
$s: 3*$u/math.sqrt(2);

html {
	height: 100%;
	background: linear-gradient(135deg, #000 $u, #0092b7 0);
	background-size: $s $s
}
View Compiled

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.