<p>The default grid system provided as part of Bootstrap is a <strong>940px-wide, 12-column grid</strong>.</p>
<p>It also has four responsive variations for various devices and resolutions: phone, tablet portrait, tablet landscape and small desktops, and large widescreen desktops.</p>
<p>The default grid system provided in Bootstrap utilizes <strong>12 columns</strong> that render out at widths of 724px, 940px (default without responsive CSS included), and 1170px. Below 767px viewports, the columns become fluid and stack vertically. </p>
<pclass="lead">{{_i}}Bootstrap is built on a responsive 12-column grid. We've also included fixed- and fluid-width layouts based on that system.{{/i}}</p>
<pclass="lead">{{_i}}Bootstrap is built on a responsive 12-column grid. We've also included fixed- and fluid-width layouts based on that system.{{/i}}</p>
<p>{{_i}}The default grid system provided as part of Bootstrap is a <strong>940px-wide, 12-column grid</strong>.{{/i}}</p>
<p>{{_i}}It also has four responsive variations for various devices and resolutions: phone, tablet portrait, tablet landscape and small desktops, and large widescreen desktops.{{/i}}</p>
<p>{{_i}}The default grid system provided in Bootstrap utilizes <strong>12 columns</strong> that render out at widths of 724px, 940px (default without responsive CSS included), and 1170px. Below 767px viewports, the columns become fluid and stack vertically. {{/i}}</p>