body {
    background: url(../img/fondo.jpg) no-repeat center center fixed;
    background-size: cover;
}

#eslogan {
    margin-top: -10px;
    font-size: 0.8em;
    margin-left: 5px;
}

au {
    color: rgb(81, 255, 0);
}

.prueba {
    background-color: rgba(245, 245, 245, 1);
    opacity: .4;
}

#footer {
    position: fixed;
    bottom: 0px;
    width: 100%;
    background: rgb(10, 10, 10);
}

#modal-backdrop {
    opacity: 0.9 !important;
}

.show.dropdown .dropdown-toggle::after {
    transform: translateY(3px);
}