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<!DOCTYPE html>
<html lang="en"><head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8"><meta charset="utf-8">
<title>Clicking the canvas should turn it green (and shift it slighly)</title>
<style>
canvas {
border: 10px solid black;
}
.opacity {
opacity: 0.8;
}
</style>
</head><body><div style="transform: translateX(1px)">
<div class="wrapper" style="transform: translateX(1px);">
<div class="opacity">
<div class="border">
<canvas id="canvas" width="200" height="200"></canvas>
</div>
</div>
</div>
</div>
<script>
var canvas = document.getElementById('canvas');
canvas.width = 200;
canvas.height = 200;
var ctx = canvas.getContext('2d');
ctx.fillStyle = 'lime';
ctx.fillRect(0, 0, 200, 200);
</script>
</body></html>