.bt-whatsappchat-button {
    position: fixed;
    color: #FFF;
    width: 50px;
    height: 50px;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    z-index: 100;
}
.bt-whatsappchat-button img {
    box-shadow: 0px 0px 11px rgba(0, 0, 0, .3);
    border-radius: 50%;
}
.bt-whatsappchat-button .bt-whatsappchat-icon {
    margin-top: 0.32em;
    margin-left: .05em;
}
.bt-whatsappchat-button:visited {
    color: #FFF;
}
.bottom-right {
    bottom: 6%;
    right: 3%;
}
.bottom-left {
    bottom: 5%;
    left: 2%;
}
.top-right {
    top: 5%;
    right: 2%;
}
.top-left {
    top: 5%;
    left: 2%;
}
.left-middle {
    top: 48%;
    left: 2%;
}
.right-middle {
    top: 48%;
    right: 2%;
}
html[lang="ar"] {
    .bottom-right {
        right: auto;
        left: 3%;
    }
}