CSS Grid is a two-dimensional layout system that lets you control both rows and columns simultaneously. Unlike Flexbox (one-dimensional), Grid handles complex page layouts with precise control over alignment, sizing, and item placement across both axes.

CSS Grid Generator — Free Tool

What Is CSS Grid?

CSS Grid is the most powerful layout system in CSS — it handles two-dimensional layouts with precise control over rows, columns, gaps, alignment, and item placement. Before Grid, complex page layouts required floats, tables, or framework-specific classes. Grid makes them achievable with pure CSS.

Key Grid Concepts

grid-template-columns / rows — defines the track sizing. Use px, %, fr (fraction), minmax(), or auto. gap — spacing between grid cells (replaces the old grid-gap). grid-column / grid-row — places items across specific tracks using line numbers or span. fr unit — distributes available space proportionally, like flex-grow for grids.

How to Use This Grid Generator

Set the number of columns and rows — Define your grid dimensions — common layouts include 12-column grids for full pages and 2–4 column grids for content sections.
Adjust column and row sizes — Set sizes using fr units (fractional), px, %, auto, or minmax() for responsive behavior.
Set gap spacing — Control the gap between rows and columns independently.
Place items on the grid — Click cells to span items across multiple columns or rows. See the grid lines and item placement live.
Copy the CSS — Grab the complete grid-template-columns, grid-template-rows, and gap declarations.

Tips and Best Practices

→ Use fr units for flexible columns. grid-template-columns: 1fr 2fr 1fr creates three columns where the middle is twice as wide. Fr units distribute available space proportionally.
→ Use minmax() for responsive grids. grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)) creates a responsive card grid that adapts to any screen width without media queries.
→ Name your grid areas. Use grid-template-areas for complex layouts. Named areas make your CSS read like a visual map of the page.
→ Grid is two-dimensional. Unlike Flexbox, Grid controls both rows and columns simultaneously — ideal for full page layouts, dashboards, and magazine-style content.

Frequently Asked Questions

What is CSS Grid?

A two-dimensional layout system controlling both rows and columns. Unlike Flexbox (one-dimensional), Grid handles complex page layouts with precise alignment, sizing, and placement across both axes.

When should I use Grid vs Flexbox?

Grid for page-level two-dimensional layouts (headers, sidebars, content). Flexbox for component-level one-dimensional layouts (navbars, card contents). Most designs use both together.

What is the fr unit?

The fr (fraction) unit distributes available space proportionally. grid-template-columns: 1fr 2fr creates two columns where the second is twice the width of the first.

What is CSS Grid?+

CSS Grid is a two-dimensional layout system that divides a container into rows and columns, allowing you to place and size child elements in any cell or span of cells. It's the most powerful CSS layout tool — capable of creating complex page layouts, responsive card grids, and dashboard interfaces with clean, readable code.

What does fr mean in CSS Grid?+

Fr (fractional unit) represents a fraction of the available space in the grid container. 1fr 2fr 1fr creates three columns where the middle column gets twice the space. Fr units are similar to flex-grow in Flexbox but designed specifically for grid tracks.

When should I use CSS Grid vs Flexbox?+

Use Grid for two-dimensional layouts — anything with both rows and columns (page layouts, card grids, dashboards). Use Flexbox for one-dimensional layouts — a row of buttons, a navigation bar, centering. They complement each other: Grid for the macro layout, Flexbox for components within grid cells.

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Built by Derek Giordano · Part of Ultimate Design Tools

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