body,.navbar{
    transition: background .3s;
}
body.modo-nocturno{
    background: #004257;
}
.modo-nocturno .navbar{
    opacity:.4;
}
.modo-nocturno .navbar:hover{
    opacity: 1;
}
#form-consultanos *{
    color:white;
}
#form-consultanos button{
    border-color:white !important;
    color: white !important;
}