footer{
    background:#212529;
    color:white;
    padding:30px;
    margin-top:50px;
}

footer p{
    margin:0;
}

/* BOTÓN WHATSAPP */

.whatsapp{
    position:fixed;
    right:20px;
    bottom:20px;

    width:60px;
    height:60px;

    background:#25D366;

    border-radius:50%;

    display:flex;
    justify-content:center;
    align-items:center;

    color:#fff;

    font-size:30px;

    text-decoration:none;

    box-shadow:0 4px 12px rgba(0,0,0,.3);

    z-index:9999;

    transition:all .3s ease;
}

.whatsapp:hover{
    color:#fff;
    transform:scale(1.1);
}

.whatsapp i{
    line-height:1;
}

/* RESPONSIVE */

@media(max-width:768px){

    .whatsapp{
        width:55px;
        height:55px;
        right:15px;
        bottom:15px;
        font-size:26px;
    }

}