.qna{margin:0 auto;padding:20px;font-family:Arial,sans-serif}.qna ul{list-style-type:none;padding:0;margin-top:50px}.qna li{margin-bottom:10px;border-bottom:1px solid #ddd;border-radius:5px;overflow:hidden}.qna .question{padding:15px;cursor:pointer;font-weight:bold;transition:background-color .3s ease;font-size:1.5rem}.qna .answer{padding:0 15px;max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease;background-color:#fff;font-size:1.3rem;color:rgba(0,0,0,.7215686275);line-height:2}.qna .answer.show{max-height:500px;padding:15px}