General UI
Badges
Badges scale to match the size of the immediate parent element by using relative font sizing and em units.
Pill Badges
Use the .badge-pill modifier class to make badges more rounded (with a larger border-radius and additional horizontal padding). Useful if you miss the badges from v3
Dropdowns
Toggle contextual overlays for displaying lists of links and more with the Bootstrap dropdown plugin.
Single button dropdowns
Any single .btn can be turned into a dropdown
toggle with some markup changes. Here’s how you can put them to work
with either <button>
elements:
Variant
The best part is you can do this with any button variant, too:
Dropright variation
Trigger dropdown menus at the right of the elements by adding .dropright to the parent element.
Dropup variation
Trigger dropdown menus above elements
by adding .dropup to the parent
element.
Split button dropdowns
Similarly, create split button dropdowns with virtually the same markup as single button dropdowns, but with the addition of .dropdown-toggle-split for proper spacing around the dropdown caret.
Sizing
Button dropdowns work with buttons of all sizes, including default and split dropdown buttons.
Dropleft variation
Trigger dropdown menus at the right of the elements by adding .dropleft to the parent element.
Menu alignment
Add .dropdown-menu-right
to a .dropdown-menu to right
align the dropdown menu.
Pagination
Provide pagination links for your site or app with the multi-page pagination component.
Default Pagination
Simple pagination inspired by Rdio, great for apps and search results.
Sizing
Add .pagination-lg or .pagination-sm for additional sizes.
Alignment
Change the alignment of pagination components with flexbox utilities.
Breadcrumb
Indicate the current page’s location within a navigational hierarchy.
Popovers
Add small overlays of content, like those on the iPad, to any element for housing secondary information.
Tooltips
Four options are available: top, right, bottom, and left aligned.
Border spinner
Use the border spinners for a lightweight loading indicator.
Growing spinner
If you don’t fancy a border spinner, switch to the grow spinner. While it doesn’t technically spin, it does repeatedly grow!
