nav#other-versions {

  float: right;
  font-size: 16px;
  margin-left: 15px;

  span {
    cursor: pointer;
    display: block;
    padding-top: 4px;
  }

  span:hover {
    text-decoration: underline;
    font-weight: bold;
  }

  span::after {
    float: right;
    content: "+";
    font-height: bold;
  }

  ul {
    list-style: none;
    box-sizing: border-box;
    padding-left: 0px;
    margin: 0;
  }

  li {
    border-top: brown solid 1px;
    border-bottom: brown solid 1px;
  }

  a:hover {
    text-decoration: underline;
    font-weight: bold;
  }

  .slide {
    width: 100%;
    height: 0px;
    overflow: hidden;
    text-align: center;
    transition: height .4s ease;

  }

  #touch {
    position: absolute;
    height: 0px;
    opacity: 0;
  }

  #touch:checked + .slide {
    height: 100%;
  }
}