div#div_login {
    height: 100%;
    display: flex;
}
div#div_login div#div_contenido_login {
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
    width: 400px;
    margin: auto;
    padding: 30px;
    background: #151515;
    box-shadow: 0px 0px 5px #000;
    border-radius: 10px;
}
div#div_login div#div_contenido_login form#formulario_login {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 185px;
    margin: 0 auto;
    margin-bottom: 30px;
}
div#div_login div#div_contenido_login div#div_mensaje_login {
    color: red;
    font-weight: bold;
}
button#btn_iniciar_sesion {
    background-color: var(--color-primario);
    border: 0;
    padding: 10px;
    border-radius: 3px;
    color: var(--color-letras);
    cursor: pointer;
}
@media(max-width: 480px) {
    div#div_login div#div_contenido_login {
        max-width: 80%;
    }
    div#div_login div#div_contenido_login div#div_mensaje_login {
        text-align: center;
    }
}