.btn-contacto{
    
    background-color: rgb(0,230,118);
    border-radius: 7mm 7mm 7mm 7mm;
    position: absolute;
    height: 14mm;
    width: 14mm;
    left: 0;
    bottom: 0;
    margin-left: 20px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 6;
}

.logo-contacto{

    height: 14mm;
    width: 14mm;
    
}