Graph Paper CSS-only background

bg-graph-paper.css

.bg-graph-paper {
  background-color: #fff;
  background-image: linear-gradient(rgba(244,244,250,.8) 1px,transparent 0),
                    linear-gradient(#f4f4fa 1px,transparent 0),
                    linear-gradient(90deg,rgba(244,244,250,.8) 1px,transparent 0),
                    linear-gradient(90deg,#f4f4fa 1px,transparent 0),
                    linear-gradient(transparent 3px,#fff 0,#fff 94px,transparent 0),
                    linear-gradient(90deg,#f4f4fa 3px,transparent 0,transparent 94px,#f4f4fa 0);
  background-size: 24px 24px,96px 96px,24px 24px,96px 96px,96px 96px,96px 96px;
}