@media (max-width: 640px) {
  ul.t491__container {
    display: flex !important;
    flex-wrap: wrap !important;
    align-items: stretch !important;
    padding: 0 !important;
    margin: 0 !important;
    list-style: none;
  }
  ul.t491__container > li {
    width: 50% !important;
    box-sizing: border-box;
    display: block !important;
    margin: 20 !important;
    vertical-align: top;
  }
}