#contenedor {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-width: 95vw;
    min-height: 95vh;
    max-width: 200px;
    width: 100%;
    height: 100%;
}

#central {
    max-width: 200px;
    width: 100%;
}

.titulo {
    width: 320px;
    text-align: center;
    /*margin-bottom: 20px;*/
}

#login {
    max-width: 250px;
    width: 100%;
    /*padding: 50px 30px;*/
    /*   background-color: white;
    -webkit-box-shadow: 0px 0px 5px 5px rgba(0,0,0,0.15);
    -moz-box-shadow: 0px 0px 5px 5px rgba(0,0,0,0.15);
    box-shadow: 0px 0px 5px 5px rgba(0,0,0,0.15);
    border-radius: 3px 3px 3px 3px;
    -moz-border-radius: 3px 3px 3px 3px;
    -webkit-border-radius: 3px 3px 3px 3px;
    box-sizing: border-box;*/
}

.form-control {
    margin: 5px;
    padding: 5px;
}