@media (min-width: 481px) and (max-width: 979px) {
  #homepagecategories .homepagecategories_cat { width:45%; }
}
@media (max-width: 480px) {
  #homepagecategories .homepagecategories_cat {
    -webkit-box-sizing:border-box;
    -moz-box-sizing:border-box;
    box-sizing:border-box;
    width:100%;
    margin:5px 0;
  }
}