.plus-minus{color:black;width:25px;height:25px;border:0;font-size:1.5em;position:relative}.plus-minus span{position:absolute;transition:.3s;background:black;border-radius:2px}.plus-minus span:first-child{top:25%;bottom:25%;width:10%;left:45%}.plus-minus span:last-child{left:25%;right:25%;height:10%;top:45%}.plus-minus.active span{transform:rotate(90deg)}.plus-minus.active span:last-child{left:50%;right:50%}