.custom-accordion ul{list-style:none;margin:0;padding:0}.custom-accordion ul li a{background:transparent;border-top:1px solid #ddd}.custom-accordion .panel,.custom-accordion ul li ul{display:none}.custom-accordion ul .icon{transform:rotate(-180deg);transition:all .5s ease-in-out}.custom-accordion ul li.open .icon{transform:rotate(0deg)}