.IconButton{margin:0;border:0;padding:0;background-color:rgba(0,0,0,0);cursor:pointer}.IconButton span{position:relative;z-index:2;width:30px;height:30px;background-color:#000;display:inline-flex;border-radius:100%;justify-content:center;align-items:center;color:#fff}.IconButton svg{width:50%;fill:currentColor}.IconButton--expand:before{z-index:1;display:block;content:"";position:absolute;top:0;left:0;width:100%;height:100%}@media(min-width:768px){.IconButton span{width:40px;height:40px}}