ul {
    list-style-type: none;
    text-align: center;
}

a {
    color: black;
    font-size: 18px;

}

a:hover {
    color:red;
    text-decoration: none;
}

#footer {
    position: fixed;
    bottom: 0;
    left: 5px;
    height: 1.5rem;
  }