<style>
  .categories ul {
    list-style: none;
    margin: 0;
  }

  .categories li {
    padding-bottom: 0.5em;
  }

  .categories a,
  .categories a:visited {
    display: block;
    background: #2eb18d;
    color: #FFF;
    padding: 0.5em 0.75em;
    border-radius: 3px;
  }

  .categories a:hover,
  .categories a:focus,
  .categories a.active {
    text-decoration: none;
    background: #d84c30;
  }

  .categories a:active {
    background: #b33a22;
  }
</style>