#robbu-whatsapp-button{
    display:flex;
    z-index: 999999999999;
    position:fixed;
    background:#25d366;
    bottom:25px;
    border-radius:50%;
    width:64px;
    height:64px;
    box-shadow:2px 2px 12px rgba(22,124,60,.2);
    transition:.4s;align-items:center;
    justify-content:center}

#robbu-whatsapp-button>.rwb-tooltip{
    position:absolute;
    background-color: #21bd5c;
    bottom:100%;
    margin-bottom:10px;
    border-radius:4px;
    padding:15px;
    color:#ffffff;
    font-size:16px;
    white-space:nowrap;
    box-shadow:2px 2px 12px rgba(0,0,0,.2);
    opacity:1;
    transition:.4s;
    pointer-events:none}

#robbu-whatsapp-button>.rwb-tooltip:after{
    display:block;
    z-index: 9999999999999999;
    content:"";
    position:absolute;
    top:85%;
    width:0;
    height:0;
    border-style:solid;
    border-width:6px 7px 0 7px;
    border-color:#fff transparent transparent transparent;
    transition:.4s}

#robbu-whatsapp-button.left{left:25px}
#robbu-whatsapp-button.left>.rwb-tooltip{left:0;transform:translateX(-10%)}
#robbu-whatsapp-button.left>.rwb-tooltip:after{left:23px}
#robbu-whatsapp-button:not(.left){right:25px}
#robbu-whatsapp-button:not(.left)>.rwb-tooltip{right:0;transform:translateX(10%)}
#robbu-whatsapp-button:not(.left)>.rwb-tooltip:after{right:23px}
#robbu-whatsapp-button>img{display:block;width:34px;height:34px}
#robbu-whatsapp-button:hover{background:#21bd5c;box-shadow:3px 3px 12px rgba(14,81,39,.4)}
#robbu-whatsapp-button:hover>.rwb-tooltip{opacity:1;transform:translateX(0)}
#robbu-whatsapp-button:hover>.rwb-tooltip:after{top:100%;transition-delay:.4s}