div.accordion button{background-color: #eee;color: #444;cursor: pointer;padding: 18px;width: 100%;text-align: left;border: none;outline: none;transition: 0.4s}div.accordion button.active,div.accordion button.accordion:hover{background-color: #ddd}div.accordion .panel{padding: 0 18px;background-color: white;max-height: 0;overflow: hidden;transition: max-height .4s ease-in-out}div.accordion .panel.open{max-height: 5000px}