@media (max-width: 680px) {
  html,
  body {
    max-width: 100%;
    overflow-x: hidden;
  }

  header > div {
    max-width: 100% !important;
    padding-left: 14px !important;
    padding-right: 14px !important;
    overflow-x: auto;
  }

  header nav {
    flex: 1 1 auto !important;
    min-width: 0 !important;
    margin-left: 0 !important;
    overflow-x: auto !important;
    scrollbar-width: none;
  }

  header nav::-webkit-scrollbar {
    display: none;
  }
}