<div class="row">
="span4">...</div="span8">
>
="span9">
Level 1 column
>
="span6">Level 2="span3">
>
="span12"
Fluid 12
Fluid 6
>
>Fluid 6>
>
="container-fluid"="span2"<!--Sidebar content-->
="span10"Body content>
meta name="viewport" content="width=device-width,initial-scale=1.0"link href="assets/css/bootstrap-responsive.css" rel="stylesheet">
/* Large desktop */
@media (min-width: 1200px) { ... }
Portrait tablet to landscape and desktop
@media (min-width: 768px) and (max-width: 979px) { Landscape phone to portrait tablet
@media (max-width: 767px) { Landscape phones and down
@media (max-width: 480px) { ... }