html {
            margin: 0;
            padding: 0;
            background-color: white;
        }

        body,
        html {
            width: 100%;
            height: 100%;
            overflow: hidden;
        }

        #svgContainer {
            width: 640px;
            height: 512px;
            background-color: white;
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            margin: auto;
        }