@media (max-width: 600px) {
    .catalog-controls .catalog-panel:first-child { width: 117px; }
    .catalog-controls .catalog-panel:nth-child(2) { width: 202px; }
    .catalog-controls .catalog-panel[open] { width: 100%; }
    .catalog-controls .catalog-count { flex-basis: 100%; margin-left: 0; text-align: right; }
}