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Pen Settings

CSS Base

Vendor Prefixing

Add External CSS

These stylesheets will be added in this order and before the code you write in the CSS editor. You can also add another Pen here, and it will pull the CSS from it. Try typing "font" or "ribbon" below.

Quick-add: + add another resource

Add External JavaScript

These scripts will run in this order and before the code in the JavaScript editor. You can also link to another Pen here, and it will run the JavaScript from it. Also try typing the name of any popular library.

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Code Indentation


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Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

              <!doctype html>
<html lang="en">
    <meta charset="UTF-8" />
    <title>Browser Displays</title>
    <div>so where is the drawing man?</div>
    <canvas id="canvas" height="200" width="200">
      canvas not supported
              /*  creates a background color for 
    entire page */
  background:#eee; /* lt gray */

#canvas {   
  border: solid 5px black;
              // will be executed AFTER DOM is loaded

// return reference to an element using its ID
function $(id) {
  return document.getElementById(id);

function draw() {
  var canvas = document.getElementById("canvas");
  var ctx = canvas.getContext("2d");
  ctx.fillStyle = "rgb(200,0,0)";
  ctx.fillRect (10, 10, 60, 50);
  ctx.fillStyle = "rgba(0, 0, 200, 0.5)";
  ctx.fillRect (30, 40, 50, 100);
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