.accordion__icon:after,.accordion__icon:before{content:"";position:absolute;background-color:black;transition:opacity .3s ease}.accordion__icon:before{width:100%;height:6px;left:0;top:calc(50% - 3px)}.accordion__icon:after{width:6px;height:100%;left:calc(50% - 3px);top:0}.accordion__icon.collapsed:after{opacity:0}