## Mastering CSS Flexbox
CSS Flexbox layout makes it easy to design flexible responsive layouts without calculating float offsets or position overlays.
### Critical Flexbox Properties
- `display: flex`: Initializes the flex container context.
- `flex-direction`: Sets row or column layout flow.
- `justify-content`: Aligns items horizontally (e.g. `center`, `space-between`).
- `align-items`: Aligns items vertically inside the container parent.
- `gap`: Adds standard gutters between elements.
Understanding CSS Flexbox: Layout Properties for Responsive Design
"Master justify-content, align-items, flex-wrap, and gap to build clean, responsive grids and navbar menus."
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