โ FAQ โ Flexbox Generator
What is CSS Flexbox?
CSS Flexbox (Flexible Box Layout) is a one-dimensional layout system for arranging items in rows or columns. It gives you powerful control over alignment, direction, order, and size of items in a container, without floats or positioning hacks. Flexbox is ideal for navigation bars, card rows, centering content, and any one-directional layout. For two-dimensional layouts (rows AND columns), use CSS Grid instead.
What is the difference between justify-content and align-items?
justify-content aligns flex items along the main axis โ horizontally when flex-direction is row (the default). align-items aligns items along the cross axis โ vertically when flex-direction is row. Think of justify-content as horizontal alignment and align-items as vertical alignment for standard row layouts. When you change flex-direction to column, these axes flip.
How do I center something both horizontally and vertically with Flexbox?
The classic centering trick: give the parent display: flex, justify-content: center, and align-items: center. This centers the child element perfectly in both dimensions. The parent needs a defined height (or min-height) for vertical centering to work. This is one of Flexbox's most popular use cases and works in all modern browsers.