@media (min-width: 801px) {
  .catalog-search { max-width: 980px; }
  .catalog-search select { min-width: 145px; }
}
@media (max-width: 800px) {
  .catalog-search { flex-wrap: wrap; }
  .catalog-search input { flex-basis: 100%; border-bottom: 1px solid #e3dfd5; }
  .catalog-search select { flex: 1; min-width: 145px; }
}