#helper {
        position: absolute;
		font-family: 'Clash Display', sans-serif;
	font-size: 1.2vw;

		background-color: rgba(141, 255, 0, .9);
		color: #000;
        top: 50%;
        left: 50%;
        transform: translate(-50%,-50%);
        text-align: center;
        padding: 30px;
       
        
    }

    body {
        width: 100%;
        height: 100%;
        margin: 0;
        padding: 0;
        background-color: #aaa;
    }


    canvas {
        margin: 0 auto;
        display: block;
        background-color: #deffff;
    }