.close-btn{position:absolute;top:20px;right:20px;width:32px;height:32px;background:rgba(255,255,255,.2);border:none;border-radius:6px;color:white;cursor:pointer;font-size:20px;display:flex;align-items:center;justify-content:center;transition:background .3s ease}.close-btn:hover{background:rgba(255,255,255,.3)}