andregardi/index.html

## index.html
<style>
    .container {
        width: 50%;
        height: 50%;
        position: relative;
    }
    #loadingMessage{
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
    }
</style>
<body>

    <button id="renderBtn">
        Render
    </button>
    <div class="container">
        <div id="loadingMessage"></div>
        <canvas id="myChart"></canvas>
    </div>

</body>
	<style>
	.container {
	width: 50%;
	height: 50%;
	position: relative;
	}
	#loadingMessage{
	position: absolute;
	left: 50%;
	top: 50%;
	transform: translate(-50%, -50%);
	}
	</style>
	<body>

	<button id="renderBtn">
	Render
	</button>
	<div class="container">
	<div id="loadingMessage"></div>
	<canvas id="myChart"></canvas>
	</div>

	</body>