@media only screen and (max-width: 319px) {
  .nav-mobile .nav-block {
    display: none !important;
  }
  .nav-mobile .nav-item > div.nav-panel--dropdown {
    -moz-box-shadow: none;
    -webkit-box-shadow: none;
    box-shadow: none;
    background-color: transparent !important;
  }
  .nav-mobile .nav-item > div > div {
    padding: 0 !important;
  }
  .nav-mobile .nav-item > div > div > .nav-block--center {
    margin: 0 !important;
    width: 100% !important;
  }
  .nav-mobile .nav-item.nav-item--only-blocks {
    display: none;
  }
}