Four columns
First column content
Each of these four content areas are three columns wide and are contained within a row.
A row accommodates a maximum of 12 columns, so if you want an area of your page divided into four columns you need to divide the row (made up of 12 columns) by four - giving you four equal areas of three columns.
Sample code in the next column...
Second column content
Sample code for this three column area is -
<div class="row">
<div class="three columns">
First column content
</div>
<div class="three columns">
Second column content
</div>
<div class="three columns">
Third column content
</div>
<div class="three columns">
Fourth column content
</div>
</div>
Third column content
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Praesent commodo cursus magna, vel scelerisque nisl consectetur et. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam quis risus eget urna mollis ornare vel eu leo. Integer posuere erat a ante venenatis dapibus posuere velit aliquet. Maecenas sed diam eget risus varius blandit sit amet non magna.