Angular Bootstrap utilities for layout
Angular Utilities for layout - Bootstrap 4 & Material Design
Note: This documentation is for an older version of Bootstrap (v.4). A newer
version is available for Bootstrap 5. We recommend migrating to the latest version of our
Material Design for Bootstrap 5.
Go to docs v.5
For faster mobile-friendly and responsive development, Bootstrap includes dozens of utility classes for showing, hiding, aligning, and spacing content.
display utilities for
responsively toggling common values of the
display property. Mix it with our grid
system, content, or components to show or hide them across specific viewports.
Bootstrap 4 is built with flexbox, but not every element’s
display has been changed
display: flex as this would add many unnecessary overrides and unexpectedly
change key browser behaviors. Most of our components are built with flexbox enabled.
Should you need to add
display: flex to an element, do so with
.d-flex or one of the responsive variants (e.g.,
need this class or
display value to allow the use of our extra
flexbox utilities for
sizing, alignment, spacing, and more.
Margin and padding
spacing utilities to
control how elements and components are spaced and sized. Bootstrap 4 includes a five-level
scale for spacing utilities, based on a
1rem value default
$spacer variable. Choose values for all viewports (e.g.,
margin-right: 1rem), or pick responsive variants to target specific viewports
margin-right: 1rem starting at the
display isn’t needed, you can toggle the
an element with our
Invisible elements will still affect the layout of the page, but are visually hidden from