CSS Generators

CSS Flexbox Generator

Build Flexbox layouts visually. Configure flex-direction, justify-content, align-items, gap, and child properties with live preview.

cssflexflexboxgeneratorlayout

CSS Flexbox Generator

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Preview

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CSS Code

.container {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: stretch;
  flex-wrap: nowrap;
  gap: 12px;
}

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

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

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

What is CSS Flexbox Generator?

CSS Flexbox Generator is a visual layout builder for creating Flexbox CSS declarations without memorizing the complex Flexbox property vocabulary and values. Flexbox Flexible Box Layout is the modern one-dimensional layout model designed for distributing space across rows or columns and aligning content within containers. It replaced float-based layouts and table layouts as the standard for modern responsive web design yet many developers still struggle to remember the correct combination of flex-direction justify-content align-items align-content flex-wrap and child flex-grow flex-shrink flex-basis values that produce a specific layout result. This generator provides an interactive visual playground with a parent container and configurable child items you can adjust the number of children child sizes gap between items and all Flexbox properties through labeled dropdowns and sliders. It visually shows the main axis and cross axis direction highlights how items justify and align with color-coded diagrams explains each property in plain English and produces the complete parent and child CSS with comments. Common layout presets include centered content horizontal navigation bar vertical sidebar layout card grid responsive wrap grid sticky footer holy grail layout and equal-height columns. The visual feedback loop makes learning Flexbox intuitive while producing production-ready CSS.

When to Use CSS Flexbox Generator

Use when building navigation bars, sidebar layouts, centering content horizontally and vertically, card grids, form input button groups, responsive wrapping containers, or equal-height column layouts.

How to Use CSS Flexbox Generator

Select parent flex properties direction, wrap, justify, align, gap. Adjust child item count and flex properties. Choose layout presets to start from. Copy the complete parent and child CSS with descriptive comments.

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