A grid is a structure, with a very rich history used to align negative space in your design.

Using a grid makes content appear to flow naturally on your page, and allows you to quickly adjust layouts without assigning specific sizes directly to content elements, letting you rapidly prototype and design your page.

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All grid systems use an arbitrary column count. Semantic's default theme assumes 16 columns. This number can be adjusted in your project by adjust the @columnCount value in site.variables.

Grid columns have vertical spacing above and below each column to create vertical flow between columns. Consecutive grids will automatically preserve row spacing between grids.

The first and last row of columns will set flush with the edge of the grid. To allow first and last columns to have vertical spacing as well use a vertically padded grid variation. To allow horizontal gutters to exist as well use a padded grid

Button before grid

Button after grid

A grid does not necessarily need to specify rows. If you include columns as direct child of ui grid content will automatically flow to the next row when all the grid columns are taken in the current row.

Column widths can be specified using (x) wide class names, each row will add up to 16 columns, if a column cannot fit it will automatically flow to the next row

If you create a grid with only one column, you do not need to specify width, it will automatically be assumed to be a sixteen wide column

Grid or individidual grid rows can be divided evenly using (x) column grid or (x) column row

You can specify alignment using alignment variations on a grid, row, or column level.

When multiple floats are used in consecutive rows, you may under some circumstances need to include row wrappers to ensure proper content float

Keep in mind multi-word variations like right floated require you to specify both class names side-by-side, this helps preserve syntax when stacking variations like a right floated left aligned column

Right floated left aligned column

Left floated right aligned column

Center aligned row

Right Aligned Grid

Specifying wrapping row elements allows you to manually control line breaks for rows, and use additional row variations.

It's often easier to have dynamic content output without nested rows, but using row wrappers is the only way for variations like equal height and vertically divided to function correctly.

A page grid is a type of grid designed to provide a responsive container for wrapping the entire contents of your page.

Semantic's page grid, by default, uses percentage values for page gutters. This means your page container will constantly adjust as the browser width changes, giving you the largest possible space for each breakpoint.

Grids, rows, and columns can receive responsive classes to make them appear only on a particular device.

Name	Breakpoint	Page Gutter	Responsive Class	Variable
Mobile	Below 768px	1rem	mobile only	$mobileBreakpoint
Tablet	Above 768px and below 992px	8%	tablet only	$tabletBreakpoint
Computer	Above 992px	13%	computer only	$computerBreakpoint
Large Monitor	Above 1400px	18%	None	$largeMonitorBreakpoint
Widescreen Monitor	Above 1920px	23%	None	$widescreenBreakpoint

Semantic includes two common patterns for adjusting grids on different devices.

A Doubling grid automatically doubles its column width on each device jump. For example, four column computer grid, will jump to a two column grid on tablet, and one column on mobile.

Stackable grids will not adjust their column width until mobile, where all grid columns will become full width

Previous examples were shaded to help show the physical layout of grids, but grids themselves do not provide any styles.

In order to create content segments inside a grid you must specify individual ui elements for example ui segments.

You can include grids even inside other grids, this can be useful for things like dividing rows inside of a page grid.

Each grid is divided into 16 columns, so a grid inside another grid column sub-divides that column into sixteen more columns.

This means, an eight wide column in grid located inside a two wide column, is the same width as a one wide column on the outer grid.

Grids use negative margins to remove first and last column margins, this means you cannot directly apply a background color on a grid. To add a background try wrapping your grid inside another container, for example a ui segment.

Due to collapsing margins the parent container must have a clearfix, or overflow:hidden to prevent inheriting the grid's margins.

Second section of content

If you need to specify colors on grid rows of columns, you can use a color variation

Using colored variations on grid columns will require you to use a padded grid variation to avoid coloring in the negative margins of the grid body.

First section of content

Second section of content

A page grid is used to layout page contents into a grid system.

A page grid has gutters to the left and right of its columns to center content on a page. These gutterss adjust as the width of the browser changes, ensuring your grid uses a sensible amount of the browser.

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A grid can have dividers between its columns

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A grid can have dividers between rows

Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Donec odio. Quisque volutpat mattis eros. Nullam malesuada erat ut turpis. Suspendisse urna nibh, viverra non, semper suscipit, posuere a, pede.

A grid can have rows divided into cells

A leaf is an above-ground plant organ. Its main functions are photosynthesis and gas exchange. A leaf is often flat, so it absorbs the most light, and thin, so that the sunlight can get to the chloroplasts in the cells.

Leaves come in many shapes and sizes. The biggest undivided leaf is that of a giant edible aroid. This lives in marshy parts of the tropical rain forest of Borneo.

One of its leaves can be ten feet across and have a surface area of over 30 square feet.

A row is used to create vertical padding between groups of columns on a page.

Columns each contain gutters giving them equal spacing from other columns.

A grid can have a different number of columns per row

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A grid can preserve its vertical and horizontal gutters on first and last columns

This paragraph of text will not align with the edges of the first column below because the grid preserves its outter gutters

This paragraph of text will not align vertically with the edges of the first column below because the grid preserves its outter gutters

This paragraph of text will not align horizontally with the edges of the first column below because the grid preserves its outter gutters

A grid can increase its gutters to allow for more negative space

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A grid can double its column width on tablet and mobile sizes

A grid will round its columns to the closest reasonable value when doubling, for example a five column grid will double 1 mobile, 3 tablet, 5 desktop

A grid can have its columns stack on-top of each other after reaching mobile breakpoints

To see a grid stack, try resizing your browser to a small width

A grid can specify its text alignment

A grid can specify its vertical alignment to have all its columns vertically centered.

A grid can have its columns, or rows only show content for computer, tablet, or mobile.

Breakpoints are 768px and below for mobile, 768-992px for tablet and 992px+ for computer

Mobile

Computer

Tablet and Mobile

All Sizes

Computer

Tablet

A row can specify that it is equal height so all of its columns appear the length of its longest column.

This is a short row

This is a very long row with lots of text in it and way more text than the other rows

It might even span for multiple paragraphs.

A row can also specify its vertical alignment to have its columns vertically centered.

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A column can be "floated" to either the left or right of its row.

A column can vary in width taking up more than a single grid column.

Column One Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vestibulum iaculis sapien.

Column Two Aliquam lobortis commodo sem ac accumsan. Vestibulum non faucibus lorem. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Curabitur sed lorem lorem. Nam augue erat, dignissim nec aliquam vel, congue et sapien. Integer viverra justo vel nibh suscipit commodo. Nullam ut turpis nibh, in luctus risus. Sed ut risus nec dui mattis porta. Nam nisi magna, ornare mollis congue a, suscipit at nisl.

Column Three Donec semper mollis condimentum. Aenean eget rutrum magna. Mauris ornare nibh scelerisque turpis lobortis dignissim. Etiam eleifend justo eget quam semper vulputate. Nulla et risus convallis velit molestie iaculis. Aliquam erat volutpat.

Overview

Why Use Grids?

Grid Row Spacing

How To Use

Column Flow

Column Widths

Column Count

Specifying Alignment

Rows

Using Rows

Responsive Page Grids

Adding Page Gutters

Page Grid Breakpoints

Responsive Patterns

Stackable Grid

Formatting Grids

Content Inside Grids

Nesting Grids

Full Width Backgrounds

Second Heading

Second Heading

Row and Column Backgrounds

Features

Statistics

Headline

Sitemap

Contact Us

Types

Page Grid

Divided Grid

How We Collect and Use Information

Information we may receive from third parties

Vertically Divided Grid

Celled Grid

What are Leaves?

Types of Leaves

Elements

Rows

Columns

Variations

Grid

Column Count

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Padded

Relaxed

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Doubling

Stackable Grid

Text Alignment

Vertical Alignment

Rows

Responsive to Device

Equal Height

Vertical Alignment

Columns

Floating

Column Width