form{margin-top:20px}div{margin-bottom:10px}label{margin-bottom:5px}input,textarea,select{width:90%;padding:8px;margin-top:5px}button[type=submit]{background-color:#007bff;color:#fff;border:none;padding:5px 10px;cursor:pointer}.container{padding:10px}.card{position:relative;width:300px;height:400px;perspective:1000px;margin:auto}.card-front,.card-back{width:100%;height:100%;backface-visibility:hidden;transition:transform .6s;position:absolute;top:0;left:0}.card-front{z-index:2;transform:rotateY(0)}.card-back{transform:rotateY(180deg)}.card.flipped .card-front{transform:rotateY(-180deg)}.card.flipped .card-back{transform:rotateY(0)}button{background-color:#007bff;color:#fff;border:none;padding:5px;cursor:pointer;margin-top:.4rem}button:hover{background-color:#0056b3}.retunBtn{padding-inline:5px;background-color:#9ba5af;color:#fff;border:none;padding:px 0px;margin-top:.1rem}