# Bootstrap Case: Multicolumn Layout

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## Multicolumn Layout

With Bootstrap it is easy to create a multicolumn layout.

Bootstrap provides a responsive, mobile-first 12-column grid system.

The columns will rearrange themselves when viewed on different screen sizes.

Some grid rules:

- Start with a container (`<div class="container">`)
- Create a row inside it with `<div class="row">`
- Use predefined classes like `.col-md-4`, `.col-md-6`, etc. to quickly make grid columns
- Grid columns are created by specifying the number of 12 available columns you wish to span. For example, three equal columns would use three `.col-md-4` columns
- The numbers in the `.col-*-*` classes should always add up to 12 for each row
- Content is placed inside the grid columns

The following example shows how to create four columns of equal width:

## Example

<div class="row">
<div class="col-md-3">
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor
incididunt ut labore et dolore magna aliqua.</p>
</div>
<div class="col-md-3">
<p>Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut
aliquip ex ea commodo consequat.</p>
</div>
<div class="col-md-3">
<p>Sed ut perspiciatis unde omnis iste natus error sit voluptatem accusantium
doloremque laudantium, totam rem aperiam.</p>
</div>
<div class="col-md-3">
<p>Eaque ipsa quae ab illo inventore veritatis et quasi architecto beatae vitae
dicta sunt explicabo.</p>
</div>
</div>
Try it Yourself »

## Columns With Different Widths

Now we wish to create columns of different widths.

The following example creates a three-column layout where the column in the middle is wider than the first and last column:

## Example

<div class="row">
<div class="col-md-3">
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor
incididunt ut labore et dolore magna aliqua.</p>
</div>
<div class="col-md-6">
<p>Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut
aliquip ex ea commodo consequat.</p>
<p>Sed ut perspiciatis unde omnis iste natus error sit voluptatem accusantium
doloremque laudantium, totam rem aperiam.</p>
</div>
<div class="col-md-3">
<p>Eaque ipsa quae ab illo inventore veritatis et quasi architecto beatae vitae
dicta sunt explicabo.</p>
</div>
</div>
Try it Yourself »
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