h2{   text-align:center;   font-size:34px;  display:inline-block;   margin-left:25%; } h2:before{     width:30px;   height:30px;  content:'';   display:inline-block; } h2:hover:before{   content:'';   background:url(https://bitcoin.org/img/icons/mini_ico_anchor.svg?1528322191);   background-size:30px 30px;   width:30px;   height:30px;   display:inline-block;   cursor:pointer; }                        
        

            
                              span = document.querySelector('h2');  span.addEventListener('click', function (e) {       if (e.offsetX <30) {       h=$(this).data('link'); open(h)       } else {        } });