h1{
    text-align: center;
}
body, html {
overflow: hidden;

}
canvas {
    padding-left: 0;
    padding-right: 0;
    margin-left: auto;
    margin-right: auto;
    display: block;
    width: 800px;
}

    #sprite {
        width: 25px;
        height: 25px;
        background: red;
        position: relative;
        transition: 0.1s linear;
    }