* {
    margin: 0;
    padding: 0;
}

img#svgYuanShen {
    width: 420px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

@media screen and (max-width: 700px) {
    img#svgYuanShen {
        width: 260px;
        transform: translate(-50%, -50%) rotate(90deg);
    }
}