CSS-only responsive viewport Width display - handy snippet for responsive design. Displays viewport width in screen without JavaScript. No setup. Stylus

CSS Snippet - Display viewport width in screen without JavaScript

measures = 100px 200px 300px 320px 340px 350px 360px 370px 380px 400px 420px 440px 460px 480px 500px 520px 540px 560px 580px 600px 620px 640px 660px 780px 800px 820px 840px 860px 880px 900px 920px 940px 960px 980px 1000px 1020px 1040px 1080px 1100px 1120px 1140px 1160px 1180px 1200px 1220px 1240px 1260px 1280px 1300px 1320px 1340px 1360px 1380px 1400px 1420px 1440px 1460px 1480px

body
	for measure in measures
		+above( measure )
			&:after
				content join(' ', measure)
				width 100
				height 100
				padding 10px
				background-color alpha(#373737, 0.5)
				position fixed
				color white
				font-size 20px !important
				border-radius 3px
				bottom 10px
				right 10px
				z-index 99999