.with-sub-arrow .child-arrow{cursor:pointer}.with-sub-arrow .child-arrow:before{content:'';width:8px;height:8px;display:inline-block;border:1px solid transparent;pointer-events:none;padding:0;border-bottom-color:inherit;border-left-color:inherit;transition:transform .3s linear,border .3s linear;transform-origin:center;transform-style:preserve-3D;transform:rotateZ(-45deg);margin-bottom:4px;margin-left:4px}.child-arrow.open:before{transform:rotateZ(-225deg);margin-bottom:0}.with-sub-arrow ul .child-arrow:before{transform:rotateZ(-135deg);margin-bottom:0}.with-sub-arrow ul .child-arrow.open:before{transform:rotateZ(45deg);margin-bottom:0}