CSS Flexbox Playground - Real-Time Flexbox Visualizer Tool

Flexbox Controls

Flex Direction

Justify Content

Align Items

Flex Wrap

Align Content

Selected Item Controls

Item 1 Flex Grow

0 0 5

Item 1 Flex Shrink

0 1 5

Item 1 Flex Basis

0px auto 300px

Item 1 Align Self

Select Item to Customize

Flexbox Preview

Item 1

Item 2

Item 3

Item 4

Item 5

Generated CSS Code

/* Parent Container */ .flex-container { display: flex; flex-direction: row; justify-content: flex-start; align-items: stretch; flex-wrap: nowrap; align-content: stretch; } /* Flex Items */ .flex-item:nth-child(1) { flex-grow: 0; flex-shrink: 1; flex-basis: auto; align-self: stretch; }

Key Features

Real-Time Visualization

See immediate changes as you adjust flexbox properties. No page reload needed.

15+ Flexbox Properties

Control flex direction, justify content, align items, wrap, grow, shrink, basis, and more.

CSS Code Generation

Get ready-to-use CSS code for your flexbox layout that you can copy and paste.

Mastering CSS Flexbox: A Comprehensive Guide

CSS Flexbox is a powerful layout module that makes it easy to design flexible and responsive layouts. This guide will help you understand how to use our Flexbox Playground tool and master flexbox properties.

Understanding the Flexbox Model

The flexbox layout consists of a flex container (parent element) and flex items (child elements). When you set display: flex on a container, its direct children become flex items.

Key Flexbox Properties

flex-direction: Defines the direction of flex items (row, column, row-reverse, column-reverse)
justify-content: Aligns items along the main axis (flex-start, center, space-between, etc.)
align-items: Aligns items along the cross axis (stretch, center, flex-start, etc.)
flex-wrap: Controls whether items wrap to new lines (nowrap, wrap, wrap-reverse)
align-content: Aligns flex lines when there's extra space in the cross axis
flex-grow: Defines how much a flex item will grow relative to other items
flex-shrink: Defines how much a flex item will shrink relative to other items
flex-basis: Defines the default size of a flex item before remaining space is distributed
align-self: Allows overriding of align-items for individual flex items

How to Use This Flexbox Playground Tool

Use the controls in the left panel to adjust flexbox properties for the container
Select individual items to customize their specific properties (grow, shrink, basis, align-self)
Add or remove flex items to experiment with different layouts
Watch the preview update in real-time as you make changes
Copy the generated CSS code for use in your own projects
Use the reset button to start over with default values

Practical Flexbox Examples

With our tool, you can quickly create common layouts:

Centered Content: Set justify-content and align-items to "center"
Navigation Bar: Use flex-direction: row with justify-content: space-between
Card Layout: Use flex-wrap: wrap to create responsive card grids
Holy Grail Layout: Combine flex-direction: column with nested flex containers

This CSS Flexbox Playground is an excellent resource for both beginners learning flexbox and experienced developers needing to experiment with complex layouts. By providing real-time visual feedback, it accelerates the learning process and helps debug layout issues quickly.