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+ var ctx = document.getElementById('tutorial').getContext('2d');
+
+ // Create gradients
+ var lingrad = ctx.createLinearGradient(0,0,0,150);
+ lingrad.addColorStop(0, '#00ABEB');
+ lingrad.addColorStop(0.5, '#fff');
+ lingrad.addColorStop(0.5, '#66CC00');
+ lingrad.addColorStop(1, '#fff');
+
+ var lingrad2 = ctx.createLinearGradient(0,50,0,95);
+ lingrad2.addColorStop(0.5, '#000');
+ lingrad2.addColorStop(1, 'rgba(0,0,0,0)');
+
+ // assign gradients to fill and stroke styles
+ ctx.fillStyle = lingrad;
+ ctx.strokeStyle = lingrad2;
+
+ // draw shapes
+ ctx.fillRect(10,10,130,130);
+ ctx.strokeRect(50,50,50,50);