Widget

<div id="livenbit-booking"></div>
<script>
(function(){
  var c=document.getElementById('livenbit-booking');
  if(!c)return;
  var f=document.createElement('iframe');
  f.src="https://livenbit-salone.livenbit.it/prenota/embed?k=pk_live_bellezza_widget&v=0.1.0&s=bellezza-mode&lang=it&accent=BF523E";
  f.title="Prenota un appuntamento";
  f.loading='lazy';
  f.setAttribute('sandbox','allow-scripts allow-forms allow-same-origin allow-popups');
  f.setAttribute('referrerpolicy','strict-origin-when-cross-origin');
  f.style.cssText='width:100%;border:0;height:640px';
  c.appendChild(f);
  window.addEventListener('message',function(e){
    if(e.origin!=="https://livenbit-salone.livenbit.it")return;
    var d=e.data;
    if(!d||d.livenbit!==true)return;
    if(d.type==='resize'&&typeof d.height==='number'){
      f.style.height=Math.min(Math.max(d.height,200),4000)+'px';
    }
  });
})();
</script>