html, body, form {
    height: 100%;
    margin: 0;
    padding: 0;
}

/* Contenedor general dentro del ContentPlaceHolder */
.contenedor {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    text-align: center;
    padding: 20px;
    box-sizing: border-box;
}

.logo_img {
    max-width: 200px;
    height: auto;
}

.lema {
    margin-bottom: 20px;
    font-size: 1.2em;
    color: #333;
}