@media screen and (min-width: 990px) {
  .header__inline-menu details > .header__submenu {
    transition: opacity 0.15s ease, transform 0.15s ease;
  }
  .header__inline-menu details:hover > .header__submenu {
    display: block !important;
    opacity: 1 !important;
    transform: translateY(0) !important;
    animation: none !important;
  }
}