Am I Open?
whether a popover, dialog or details is open
.menu:popover-open { animation: pop-in .2s; }
details[open] .chevron {
rotate: 90deg;
}whether a popover, dialog or details is open
.menu:popover-open { animation: pop-in .2s; }
details[open] .chevron {
rotate: 90deg;
}