.btn-expand.active:after,.btn-expand:after{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' fill='none'%3E%3Cpath fill='%23fff' d='m7.41 8.295 4.59 4.58 4.59-4.58L18 9.705l-6 6-6-6z'/%3E%3C/svg%3E");content:"";display:block;height:24px;width:24px}.btn-expand.active:after{transform:rotate(180deg)}