.contenido {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f2f2f2;
    display: flex;
    align-items: center;
    justify-content: left;
    height: 100vh !important;
    background: url('../assets/images/fondo_registro.jpg');
    background-size: cover;
    background-repeat: no-repeat;
}

.container-fluid {
    margin: 0;
    padding: 0;
}

select {
    cursor: pointer;
}

.container-ppal {
    background: white;
    padding: 50px;
    border-radius: 0 10px 10px 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 500px;
    text-align: left;
}

.active {
    display: block;
}

h3 {
    margin-bottom: 0px;
}

.form-group {
    text-align: left;
    margin-bottom: 10px;
}

button:hover {
    background-color: #45a049;
}

@media only screen and (min-width : 1400px) {
    .container-ppal {
        margin-left: 20px;
        border-radius: 10px 10px 10px 10px !important;
    }
}