Docs: replace CSS by utilities in examples (#35699)

* Drop .opacity-50 and .opacity-75 redefinition in examples

* Drop unused .card-img-right from blog example CSS files

* Use line-height utilities when possible

* Use rounded-* utilities in examples

* Replace .nav-underline by .nav-scroller and use it in examples.html default

* Use .mb-1 for .blog-post-title

* Remove unused CSS rule and use .fw-* utilities for carousels examples

* Use utilities for cheatsheet examples

* Extract some CSS to utilities for .nav-masthead .nav-link in cover example

* Dashboard group of minor modifications

* Dropdowns example: refactoring

* Dropdowns example refactoring: fix linting by removing selector by id

* Features example refactoring

* Headers example refactoring

* List groups example refactoring

* Sidebars example refactoring

* Sign-in example refactoring

* Starter template refactoring

* Fix RTL examples

Co-authored-by: Mark Otto <[email protected]>

1 files changed, 0 insertions, 4 deletions

diff --git a/site/content/docs/5.1/examples/headers/headers.css b/site/content/docs/5.1/examples/headers/headers.css
index 2533841c5..8230c9a5f 100644
--- a/site/content/docs/5.1/examples/headers/headers.css
+++ b/site/content/docs/5.1/examples/headers/headers.css
@@ -1,11 +1,7 @@
 .form-control-dark {
-  color: #fff;
-  background-color: var(--bs-dark);
   border-color: var(--bs-gray);
 }
 .form-control-dark:focus {
-  color: #fff;
-  background-color: var(--bs-dark);
   border-color: #fff;
   box-shadow: 0 0 0 .25rem rgba(255, 255, 255, .25);
 }