JSFiddle - React, Tailwind, and code Playground
by Amanda Williamson
HTML
<canvas id="canvas" width="200" height="200"></canvas>
JavaScript
var canvas = document.getElementById('canvas');
var ctx = canvas.getContext('2d');
ctx.fillStyle = 'blue';
ctx.fillRect(0,0,160,160);
ctx.fillStyle = 'white';
ctx.globalAlpha = 0.3;
ctx.fillRect(10,10,140,140);
ctx.fillRect(20,20,120,120);
ctx.fillRect(30,30,100,100);
ctx.fillRect(40,40,80,80);
ctx.fillRect(50,50,60,60);
ctx.fillRect(60,60,40,40);
ctx.fillRect(70,70,20,20);