#sun {
    position: fixed;
    height: 100%;
    opacity: 0.75;
}

#sun2 {
    position: fixed;
    height: 100%;
    opacity: 0.75;
    transform: scaleX(-1);
}

img {
    height: 100%;
}

a {
    color: black;
    text-decoration: none;
}

a:hover {
    color: red;
}

#tag {
    position: fixed;
    bottom: 100px;
    left: 100px;
}