Flexbox (Flexible Box Layout) is the CSS superpower that makes alignment and distribution of elements finally predictable. Before Flexbox, centering a div was famously painful. Now? One line: display: flex; align-items: center; justify-content: center. In this lesson you'll learn every key property — parent and child — and build real UI patterns with confidence.
1-A 2-A 3-A 4-A | 5 row 6 between 7 = display:flex; justify-content:center; align-items:center; 8 = display:flex; justify-content:space-between; align-items:center; 9 = row = horizontal main axis; column = vertical | 10 = parent display:flex; children flex:1; add gap