/* for desktop */
.facebook_float {
    position: fixed;
    width: 55px;
    height: 55px;
    /*bottom: 72px;*/
    bottom: 130px;
    right: 20px;
    background-color: #255AA1;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px #999;
    z-index: 100;
}

.facebook-icon {
    margin-top: 16px;
}
/* for mobile */
@media screen and (max-width: 767px) {
    .facebook-icon {
        margin-top: 10px;
    }

    .facebook_float {
        width: 40px;
        height: 40px;
        /*bottom: 45px;*/
        bottom: 85px;
        right: 10px;
        font-size: 22px;
    }
}