Flexbox Playground

Visually build and debug complex layouts with real-time Flexbox controls.

Container Controls

Gap (px)

Flex Items

Item 1
Item 2
Item 3

Visual Stage

1
2
3

Generated CSS

.container {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  flex-wrap: nowrap;
  gap: 16px;
}

.item-1 {
  flex-grow: 0;
  flex-shrink: 1;
  flex-basis: auto;
  order: 0;
  align-self: auto;
}

.item-2 {
  flex-grow: 0;
  flex-shrink: 1;
  flex-basis: auto;
  order: 0;
  align-self: auto;
}

.item-3 {
  flex-grow: 0;
  flex-shrink: 1;
  flex-basis: auto;
  order: 0;
  align-self: auto;
}

Master Modern Web Layouts

Flexbox is the foundation of modern web responsive design, yet its properties can often be counter-intuitive. Our Visual Flexbox Playground removes the guesswork by providing a real-time sandbox where you can experiment with container and item properties. Whether you are centering a div or building complex multi-column layouts, this tool provides the visual feedback needed to master the flex module.

Frequently Asked Questions

In Flexbox, `justify-content` aligns items along the main axis (usually horizontal), while `align-items` aligns them along the cross axis (usually vertical). Our playground lets you visualize these axes in real-time.

You can use the `flex-grow` property on a child element. Setting it to `1` tells the item to take up any available extra space in the flex container. Our tool allows you to select individual items and adjust their specific flex properties.

Yes! Every adjustment you make in the playground instantly updates the code output. You can copy the exact CSS and HTML structure to use in your project immediately.

Related Design & CSS

All Tools