Flexbox – Responsive CSS Tutorial

What is Flexbox?

Flexbox (Flexible Box Layout) is a CSS module that makes it easier to design flexible responsive layout structures without using float or positioning.

Basic Flex Container

.flex-container {
    display: flex;
    gap: 1rem;
}

Live Demo

Direction Wrap Justify Align Items

Responsive Tips

Use flex-wrap to allow items to flow onto new lines on smaller screens.
Combine flex-basis with min-width for fluid cards.
Leverage media queries to change flex-direction from row to column on narrow viewports.