.fcc-btn{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:999px;color:#fff;text-decoration:none;box-shadow:0 8px 20px rgba(0,0,0,.18);position:fixed;z-index:9999;transition:transform .15s ease,box-shadow .15s ease}.fcc-btn img{width:45px;height:45px;border-radius:50%;object-fit:cover;display:block}.fcc-btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.22)}