.double__card_inner{margin:30px 0;position:relative;width:fit-content}.double__card_back,.double__card_front{align-items:center;color:#fff;display:flex;height:260px;width:230px}.double__card_front{backdrop-filter:blur(12px) brightness(.5);padding:30px}.double__card_back{background:#3c7d80;left:0;opacity:0;padding:20px;position:absolute;top:0;transition:opacity .25s ease-in-out;-moz-transition:opacity .25s ease-in-out;-webkit-transition:opacity .25s ease-in-out}.double__card_inner:hover .double__card_back{opacity:1}