The default grid system provided as part of Bootstrap is a 940px-wide, 12-column grid.
そのようなデジタル世界の敷居はさらに達成できないと感じるに違いありません4800億ウォン（約27億6000万元）の補助金がこれらの人々に分配されました
<div class="row"> <div class="span4">...</div> <div class="span8">...</div> </div>
As shown here, a basic layout can be created with two "columns," each spanning a number of the 12 foundational columns we defined as part of our grid system.
<div class="row"> <div class="span4">...</div> <div class="span4 offset4">...</div> </div>
With the static (non-fluid) grid system in Bootstrap, nesting is easy. To nest your content, just add a new .row and set of .span* columns within an existing .span* column.