This HTML Code is for an 800 x 600 pixel canvas with a grey border:
<!DOCTYPE HTML>
<html>
<head>
<style>
body {
margin: 0px;
padding: 0px;
}
#myCanvas {
border: 1px solid #9C9898;
}
</style>
<script>
window.onload = function() {
var canvas = document.getElementById("myCanvas");
var context = canvas.getContext("2d");
// start below this line ///////////////////////////////////////////////////
// end above this line //////////////////////////////////////////////////
};
</script>
</head>
<body>
<canvas id="myCanvas" width="800" height="600"></canvas>
</body>
</html>
