v5: Forms update (#28450)

* Initial spike of consolidated form checks

* Stub out forms rearrangement

- Prepping to drop non-custom file and range inputs
- Prepping to merge custom and native checks and radios (with switches)
- Prepping to merge custom select with form select
- Moving docs arround so forms has it's own area given volume of CSS

* Move input group Sass file to forms subdir

* Start to split and move the docs around

* Simpler imports

* Copyediting

* delete overview file

* Remove commented out code

* remove the custom-forms import

* rewrite flex-check as form-check, replace all custom properties

* Remove old forms doc

* stub out new subpage link section

* update migration guide

* Update nav, forms overview in page nav, and descriptions

* fix check bg position

* fix margin-top calculation

* rename .custom-select to .form-select

* Update validation styles for new checks

* add some vertical margin, fix inline checks

* fix docs examples

* better way to do this contents stuff, redo the toc while i'm at it

* page restyle for docs while here

* un-callout that, edit text

* redo padding on toc

* fix toc

* start to cleanup checks docs

* Rewrite Markdown tables into HTML

* Redesign tables, redo their docs

* Replace Open Iconic icons with custom Bootstrap icons

* Redesign the docs navbar, add a subheader, redo the sidebar

* Redesign docs homepage a bit

* Simplify table style overrides for docs tables

* Simplify docs typography for page titles and reading line length

* Stub out icons page

* Part of sidebar update, remove migration from nav.yml

* Move toc CSS to separate partial

* Change appearance of overview page

* fix sidebar arrow direction

* Add footer to docs layout

* Update descriptions

* Drop the .form-group class for margin utilities

* Remove lingering form-group-margin-bottom var

* improve footer spacing

* add headings to range page

* uncomment form range css

* Rename .custom-range to .form-range

* Drop unused docs var

* Uncomment the comment

* Remove unused variable

* Fix radio image sizing

* Reboot update: reset horizontal ul and ol padding

* de-dupe IDs

* tweak toc styles

* nvm, fix dropdown versions stuff

* remove sidebar nav toggle for now

* broken html

* fix more broken html, move css

* scss linting

* comment out broken helper docs

* scope styles

* scope styles

* Fixes #25540 and fixes #26407 for v5 only

* Update sidebar once more

* Match new sidenav order

* fix syntax error

* Rename custom-file to form-file, update paths, update migration docs for previous changes in #28696

* rename back

* fix size and alignment

* rename that back too

1 files changed, 12 insertions, 12 deletions

diff --git a/site/content/docs/4.3/layout/grid.md b/site/content/docs/4.3/layout/grid.md
index 3d914e877..11fff040e 100644
--- a/site/content/docs/4.3/layout/grid.md
+++ b/site/content/docs/4.3/layout/grid.md
@@ -53,35 +53,35 @@ While Bootstrap uses `em`s or `rem`s for defining most sizes, `px`s are used for
 
 See how aspects of the Bootstrap grid system work across multiple devices with a handy table.
 
-<table class="table table-bordered table-striped">
+<table class="table">
   <thead>
     <tr>
       <th></th>
-      <th class="text-center">
+      <th>
         Extra small<br>
-        <small>&lt;576px</small>
+        <span class="font-weight-normal">&lt;576px</span>
       </th>
-      <th class="text-center">
+      <th>
         Small<br>
-        <small>&ge;576px</small>
+        <span class="font-weight-normal">&ge;576px</span>
       </th>
-      <th class="text-center">
+      <th>
         Medium<br>
-        <small>&ge;768px</small>
+        <span class="font-weight-normal">&ge;768px</span>
       </th>
-      <th class="text-center">
+      <th>
         Large<br>
-        <small>&ge;992px</small>
+        <span class="font-weight-normal">&ge;992px</span>
       </th>
-      <th class="text-center">
+      <th>
         Extra large<br>
-        <small>&ge;1200px</small>
+        <span class="font-weight-normal">&ge;1200px</span>
       </th>
     </tr>
   </thead>
   <tbody>
     <tr>
-      <th class="text-nowrap" scope="row">Max container width</th>
+      <th class="text-nowrap" scope="row">Container <code class="font-weight-normal">max-width</code></th>
       <td>None (auto)</td>
       <td>540px</td>
       <td>720px</td>