nav a{
    padding:0rem;
    color: black;
    opacity: 25%;
    text-decoration: none;
    font-size: 2rem;
    transition: opacity 0.25s ease-in-out;
    font-family:Arial, Helvetica, sans-serif;
}

nav a.home{
    font-size: 3.75rem;
}

nav a:hover{
    opacity: 80%;
}

nav a:active{
    opacity: 10%;
}

a.prev{
    position:fixed;
    bottom:1rem;
    left:1.5rem;
}

a.next{
    position:fixed;
    bottom:1rem;
    right:1.5rem;
}

a.home{
    position: fixed;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
  }