function hideCards() {
    openCards.forEach((card, index) => {
        setTimeout(function() {
            card.classList.remove("open", "show");
        }, 500);
    });
}
/**
 * @description Hide both the open cards after a
 * brief interval of time.
 */
@description Hide both the open cards after a
brief interval of time.
@description Hide both the open cards after a brief interval of time .
function hideCards() {
    openCards.forEach((card, index) => {
        setTimeout(function() {
            card.classList.remove("open", "show");
        }, 500);
    });
}
function hideCards ( ) { openCards . forEach ( ( card , index ) => { setTimeout ( function ( ) { card . classList . remove ( "open" , "show" ) ; } , 500 ) ; } ) ; }
@description Hide both the open cards after a
 brief interval of time.
@description Hide both the open cards after a brief interval of time .