nav a:hover, body.home a:hover {
    background-color: tomato;
    opacity: 0.7;
    letter-spacing: 3px;
    transition: all 0.3s ease;
}

a.prev{
    position: fixed;
    bottom: 0.5em;
    left: 0.5em;
}

a.next{
    position: fixed;
    bottom: 0.5em;
    right: 0.5em;
}