h1 {
    align-items:center;
    display:flex;
    justify-content:center;
}
main {
    height: 100vh;
    width:100vw;
    display:flex;
    flex-direction:column;
    justify-content:space-around;
    align-items:center;
    background-image: url("Rainbow Color GIF by Justin.gif");
    background-size: cover;
    color:white;
}
li {
    text-decoration: none;
    list-style-type: none;
    align-items:center;
    display:flex;
    flex-direction:row;
    justify-content:center;
}
a {
    background-color:green;
    color:white;
    padding:20px;
    border-radius:10px;
    text-decoration: none;
    transition: 0.3s ease;
}
a:hover {
    background-color: white;
    color: green;
    text-decoration: underline;
    padding:15px;
}