           box-shadow: 4px 4px 8px rgba(0,0,0,0.5);
        }

    </style>
</head>

<body>
<canvas id='canvas' width='850' height='600'>
    Canvas not supported
</canvas>

<div id='controls'>
    Stroke color: <select id='strokeStyleSelect'>
    <option value='red'>red</option>
    <option value='green'>green</option>
    <option value='blue'>blue</option>
    <option value='orange'>orange</option>
    <option value='cornflowerblue'>cornflowerblue</option>
    <option value='goldenrod'>goldenrod</option>
