Interactive Flexbox Learning Tool

Learn CSS Flexbox properties interactively! Use the controls below to see how different flexbox properties work in real-time.

What is Flexbox?

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

Key Concepts

• Container properties: Control how items are laid out within the flex container
• Item properties: Control how individual items behave within the flex layout
• Main axis & Cross axis: Understanding these axes is key to mastering flexbox

Try adjusting the properties in the visualizer above to see how they affect the layout!

Example Code

Here’s a basic example of flexbox in action:

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13

.container {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: stretch;
  gap: 10px;
}

.item {
  flex-grow: 1;
  flex-shrink: 1;
  flex-basis: auto;
}