.previous a, .next a {
  text-decoration: none;
  display: inline-block;
}

.previous a:hover, .next a:hover {
    background-color: #ddd;
    color: black;
}

.previous {
    background-color: #f1f1f1;
    color: black;
    font-size: 2rem;
    padding: 1px 6px;
}

.next {
  background-color: #04AA6D;
  color: white;
  font-size: 2rem;
      padding: 1px 6px;

}

.round {
  border-radius: 50%;
}