.floating-whatsapp {
    position: fixed; 
    width: 55px; 
    height: 55px; 
    bottom: 50px; 
    right: 25px; 
    background-color: #25D366; 
    color: #FFF!important; 
    border-radius: 50px; 
    text-align: center; 
    font-size: 30px; 
    box-shadow: 2px 2px 3px #999; 
    z-index: 999;
}

.floating-whatsapp i {
    margin-top: 12px;
}

.banner-categoria { 
    margin: 20px 0;
    padding-bottom: 40px;
}