@media screen and (max-width: 600px) {
  div.content-block[data-type="productgroup-navigation"] > ul.item-list > li.item[data-type="data"] {
    background-color: #474745;
  }
  div.content-block[data-type="productgroup-navigation"] > ul.item-list li.item > a {
    /*background-color: #5E5848;*/
    color: #fffdf1;
    border: none;
    padding: 10px 30px 10px 20px;
    background: none;
  }
  div.content-block[data-type="productgroup-navigation"] > ul.item-list > li.item[data-type="data"] div.subgroup {
    background-color: #676863;
  }
  div.content-block[data-type="productgroup-navigation"] > ul.item-list > li.item[data-type="data"] div.subgroup div.subgroup {
    background-color: #adadad;
  }
  div.content-block[data-type="productgroup-navigation"] > ul.item-list > li.item[data-type="data"] div.subgroup > ul.item-list:before {
    display: none;
  }
  div.content-block[data-type="productgroup-navigation"] > ul.item-list > li.item[data-type="data"] div.subgroup ul.item-list > li.item a {
    color: #fffdf1;
  }
}