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Generador Visual de CSS Grid

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CSS Grid Generator

Build CSS Grid layouts visually. Click cells to define named areas, adjust column and row sizes, and get production-ready CSS code instantly. No memorizing grid syntax — just click and build.

Cómo utilizar

Set the number of columns and rows, then click on grid cells to assign named areas (like header, sidebar, main, footer). Cells with the same name are highlighted in the same color. The CSS output updates live as you design your layout. Use preset buttons for common layouts like Holy Grail or Dashboard.

Características

Interactive Grid Editor – Click cells to assign named areas with auto-colored visualization
Live CSS Output – Production-ready code with grid-template-areas, grid-template-columns, grid-template-rows, and gap
Vista previa en vivo – See your layout rendered with colored named areas in real time
Preset Layouts – One-click Holy Grail, Dashboard, Blog, and Portfolio layouts
Flexible Sizing – Define column and row sizes using fr, px, or percentage units
Child Element CSS – Generates grid-area rules for each named area automatically
Cliente 100% – All layout generation happens in your browser

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 Preguntas frecuentes

What is CSS Grid and how is it different from Flexbox?

CSS Grid is a two-dimensional layout system that handles both columns and rows simultaneously. Flexbox is one-dimensional, working along either a row or a column axis. Grid is ideal for page-level layouts (headers, sidebars, content areas), while Flexbox excels at component-level alignment (navigation items, card contents). Most modern layouts use both together.
What is the fr unit in CSS Grid?

The fr (fraction) unit represents a fraction of the available space in the grid container. 1fr 2fr means the second column gets twice the space of the first. It is similar to flex-grow in Flexbox but designed specifically for grid tracks. fr units automatically distribute remaining space after fixed-size tracks (px, em) are allocated.
What is grid-template-areas and why use named areas?

grid-template-areas lets you define your layout using named strings that visually represent the grid structure in your CSS. Instead of placing items by line numbers (grid-column: 1 / 3), you assign them by name (grid-area: header). The resulting CSS reads like an ASCII art version of your layout, making it self-documenting and easier to maintain.
What is the Holy Grail layout in web design?

The Holy Grail layout is a classic web page structure with a header spanning the full width, a three-column body (left sidebar, main content, right sidebar), and a full-width footer. It was historically difficult to achieve with CSS floats and was called the Holy Grail because a clean implementation was so elusive. CSS Grid makes it trivial.