.pfcb-wrap{position:fixed;bottom:20px;z-index:9999;display:flex;flex-direction:column;gap:15px}
.pfcb-right{right:20px}
.pfcb-left{left:20px}
.pfcb-btn{width:var(--pfcb-size);height:var(--pfcb-size);border-radius:50%;background:#25d366;display:flex;align-items:center;justify-content:center;box-shadow:0 5px 15px rgba(0,0,0,.3);transition:.3s}
.pfcb-btn img{width:60%;height:60%;object-fit:contain}
.pfcb-btn:hover{transform:scale(1.1)}

@keyframes pfcb-pulse{0%{box-shadow:0 0 0 0 rgba(0,0,0,.4)}70%{box-shadow:0 0 0 20px rgba(0,0,0,0)}100%{box-shadow:0 0 0 0 rgba(0,0,0,0)}}