.accordion{padding:0 10px;overflow:hidden}.accordion h3{cursor:pointer;padding:15px;font-size:17px;border-bottom:1px solid #ccc}.accordion h3::before{content:"▼";position:absolute;left:0;transition:transform .3s ease;transform:rotate(-90deg)}.accordion h3.active::before{transform:rotate(0deg)}.accordion p{padding:15px;display:none;margin:0}