html {
    font-family: "Comic Sans MS", "Comic Sans", cursive;
    text-align: center;
    color: yellow;
}

h1,
h3 {
    background-color: blue;
}

body {
    background: url("https://media1.tenor.com/images/6b67cbd64540f08df29c232d6545fcba/tenor.gif?itemid=19616035")
        repeat scroll left;
}

img {
    animation-name: spin;
    animation-duration: 0.5s;
    animation-iteration-count: infinite;
    animation-timing-function: linear;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

marquee {
    font-size: 2rem;
}

h3 {
    margin-top: 80vh;
    width: 200vw;
}