* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

*::before,
*::after {
    box-sizing: inherit;
}

body {

    text-align: center;
    background-color: #fff;
}

#myCanvas {
    background: #fff;
    margin-left: 10px;
    margin-top: 10px;
}