Bootstrap 3 MigrationCSS class changes from 2.x to 3.0Bootstrap 2.x.container-fluid.row-fluid.span*.offset*.brand.navbar .nav.hero-unit.icon.btn.visible-phone.visible-tablet.visible-desktop.hidden-phone.hidden-tablet.hidden-desktop.input-prepend.input-append.add-on.btn-navbarBootstrap 3.0.container.row.col .col-lg-*.col .col-offset-*.navbar-brand.nav .navbar-nav.jumbotron.glyphicon.btn .btn-defa..