.opt-sticky{
    position: fixed;
    z-index: 9999;
    top: 0;
    background-color: var(--phoenix-navbar-vertical-bg-color);
    padding-top: 1rem !important;
    max-width: -moz-available;
    width: -moz-available;
    max-width: -webkit-fill-available;
    width: -webkit-fill-available;
  }
  @media all and (max-width: 768px) {
    .opt-sticky{
      position: fixed;
      z-index: 9999;
      top: 0;
      max-width: -moz-available;
      width: -moz-available;
      max-width: -webkit-fill-available;
      width: -webkit-fill-available;
      left: 0;
      padding-top: 1rem !important;
      padding-left: 2rem !important;
    }
  }