.form-login {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh; 
    
}

#principal {
    background: url('../../img/fondo-login.jpeg');
    /* center center fixed */
    background-repeat: no-repeat;
    background-size: cover;
}

#container-login {
    position: absolute;
    top: 50%;
    left: 85%;
    transform: translate(-50%, -50%);
    background-color: rgba(255, 255, 255, 0.920);
    padding: 40px;
    padding-top: 0;
    border-radius: 10px;
}