#btn-mas{
    display: none;
}

.flotante{
    width: auto;
    position: fixed;
    bottom: 50px;
    right: 20px;
    z-index: 1000;
}

.redes i, .fa-plus{
    display: flex;
    text-decoration: none;
    background: #FFB602;
    color: white;
    height: 70px;
    width: 70px;
    line-height: 70px;
    text-align: center;
    border-radius: 50%;
    box-shadow: 2px 2px 10px #5B1E6E;
    transition: all 500ms ease;
    justify-content: center;
    font-size: 20px;
}

.redes i:hover{
    background: #36BBD8;
    color: #FFB602;
}

.redes i{
    margin-bottom: -35px;
    opacity: 0;
    visibility: hidden;
}

#btn-mas:checked~ .redes i{
    margin-bottom: 10px;
    opacity: 1;
    visibility: visible;
}

.fa-plus{
    background: url(../img/flotante.jpg);
    background-position: center center;
    background-size: cover;
    color: #36bad800;
}


#btn-mas:checked ~ .btn-mas .fa-plus{
    height: 70px;
    width: 70px;
    line-height: 60px;
    text-align: center;
    background: url(../img/flotante2.jpg);
    background-position: center center;
    background-size: cover;
    font-size:25px;
}