.bt-whatsappchat-button {
    position: fixed;
    color: #FFF;
    width: 40px;
    height: 40px;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    z-index: 100;
}
.bt-whatsappchat-button .bt-whatsappchat-icon {
    margin-top: 0.32em;
    margin-left: .05em;
}
.bt-whatsappchat-button:visited {
    color: #FFF;
}
.bottom-right {
    bottom: 7%;
    right: 2%;
}
.bottom-left {
    bottom: 7%;
    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%;
}