[role=combobox][aria-expanded=true] [class*=chevron],[role=combobox][data-state=open] [class*=chevron],button[aria-expanded=true] [class*=chevron],button[data-state=open] [class*=chevron]{transform:rotate(180deg)}[role=combobox] [class*=chevron],button [class*=chevron]{transition:transform .2s ease}