.accordion-button{padding:8px 30px 8px 30px;text-transform:uppercase;font-size:16px;line-height:1.5}.accordion-button:after{background-image:url("/fileadmin/images/icons/arrow-open.png");top:16px;position:absolute;right:30px}.accordion-button:not(.collapsed)::after{background-image:url("/fileadmin/images/icons/arrow-close.png")}