html {
    text-align: center;
    background: linear-gradient(to right, red, orange, yellow, green, blue, purple);
    font-family: "Comic Sans MS", cursive, sans-serif;
}
a {
    font-size: 1.3rem;
    color: white;
    transition: font-size 0.2s ease-in-out;
}
a:hover {
    text-decoration: underline;
    font-size: 1.5em;
}