body {
    background-color:#05571a;
    color:#81e0fc;
}

a {
    color:yellow;
}

a:hover {
    animation: linkChange 2s forwards;
}

@keyframes linkChange {
    from {
        color:yellow;
        font-size:16px;
    }
    
    to {
        font-size:20px;
        color:#8f00ff;
    }
}