@media only screen and (max-width: 480px) {
  #wb-navigation { display: none; }

  #site-container {
    width: 100%;
  }

  .column {
    display: block;
    width: auto;
    margin: 0 20px;
  }

  .column .column, .column > *, .column .column > * {
    display: block;
    float: none;
    margin: 10px auto;
    width: auto !important; /* <-- this can be improved  */
  }
  
}