bootstrap 2.3版与3.0版重要类的改变对比:

Bootstrap 2.xBootstrap 3.0
.container-fluid.container
.row-fluid.row
.span*.col-md-*
.offset*.col-md-offset-*
.brand.navbar-brand
.nav-collapse.navbar-collapse
.nav-toggle.navbar-toggle
.btn-navbar.navbar-btn
.hero-unit.jumbotron
.icon-*.glyphicon .glyphicon-*
.btn.btn .btn-default
.btn-mini.btn-xs
.btn-small.btn-sm
.btn-large.btn-lg
.visible-phone.visible-sm
.visible-tablet.visible-md
.visible-desktop.visible-lg
.hidden-phone.hidden-sm
.hidden-tablet.hidden-md
.hidden-desktop.hidden-lg
.input-small.input-sm
.input-large.input-lg
.checkbox.inline .radio.inline.checkbox-inline .radio-inline
.input-prepend .input-append.input-group
.add-on.input-group-addon
.thumbnail.img-thumbnail
ul.unstyled.list-unstyled
ul.inline.list-inline


bootstrap 3.0版新增的类


ElementDescription
Panels.panel .panel-default .panel-body .panel-title .panel-heading .panel-footer .panel-collapse
List groups.list-group .list-group-item .list-group-item-text .list-group-item-heading
Glyphicons.glyphicon
Jumbotron.jumbotron
Tiny grid (<768 px).col-xs-*
Small grid (>768 px).col-sm-*
Medium grid (>992 px).col-md-*
Large grid (>1200 px).col-lg-*
Offsets.col-sm-offset-* .col-md-offset-* .col-lg-offset-*
Push.col-sm-push-* .col-md-push-* .col-lg-push-*
Pull.col-sm-pull-* .col-md-pull-* .col-lg-pull-*
Input groups.input-group .input-group-addon .input-group-btn
Form controls.form-control .form-group
Button group sizes.btn-group-xs .btn-group-sm .btn-group-lg
Navbar text.navbar-text
Navbar header.navbar-header
Justified tabs / pills.nav-justified
Responsive p_w_picpaths.img-responsive
Contextual table rows.success .danger .warning .active
Contextual panels.panel-success .panel-danger .panel-warning .panel-info
Modal.modal-dialog .modal-content
Thumbnail p_w_picpath.img-thumbnail
Well sizes.well-sm .well-lg
Alert links.alert-link


bootstrap 3.0版删除的类

ElementRemoved from 2.x3.0 Equivalent
Form actions.form-actionsN/A
Search form.form-searchN/A
Fluid container.container-fluid.container (no more fixed grid)
Fluid row.row-fluid.row (no more fixed grid)
Navbar inner.navbar-innerN/A
Dropdown submenu.dropdown-submenuN/A
Tab alignments.tabs-left .tabs-right .tabs-belowN/A