CREATE TABLE display (
    id INT PRIMARY KEY,
    display_property TEXT
);

INSERT INTO display (id, display_property)
VALUES
(1, 'block'),
(2, 'inline-block'),
(3, 'flex');

CREATE TABLE divs (
    id INT PRIMARY KEY,
    inner_html TEXT,
    display INT REFERENCES display(id)
);

INSERT INTO divs (id, inner_html , display)
VALUES
(1, 'div1', 1),
(2, 'div2', 2),
(3, 'div3', 3);