bootstrap-utilities

Installation
SKILL.md

Bootstrap 5.3 Utilities

Bootstrap provides extensive utility classes for rapid styling without custom CSS. These are generated via the Utilities API and can be customized.

Spacing Utilities

Margin (m-) and Padding (p-)

<!-- All sides -->
<div class="m-3">Margin 1rem all sides</div>
<div class="p-3">Padding 1rem all sides</div>

<!-- Specific sides -->
<div class="mt-3">Margin top</div>
<div class="mb-3">Margin bottom</div>
<div class="ms-3">Margin start (left in LTR)</div>
<div class="me-3">Margin end (right in LTR)</div>
<div class="mx-3">Margin horizontal (left + right)</div>
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Installs
36
GitHub Stars
4
First Seen
Jan 22, 2026