From ceb8b509e2ce0646f94a5e3e910508fdef1cfc00 Mon Sep 17 00:00:00 2001
From: Michael Howell <michael@notriddle.com>
Date: Fri, 8 Sep 2023 13:27:02 -0700
Subject: [PATCH] Add more guides to stock CSS classes

---
 guide/src/format/mdbook.md | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/guide/src/format/mdbook.md b/guide/src/format/mdbook.md
index 15b8d1a7..45fb506a 100644
--- a/guide/src/format/mdbook.md
+++ b/guide/src/format/mdbook.md
@@ -317,7 +317,29 @@ contents (sidebar) by including a `\{{#title ...}}` near the top of the page.
 
 ## HTML classes provided by mdBook
 
-The `class="warning"` can be applied to make a warning, or similar note, stand out.
+<img class="right" src="images/rust-logo-blk.svg" alt="The Rust logo">
+
+### `class="left"` and `"right"`
+
+These classes are provided by default, for inline HTML to float images.
+
+```html
+<img class="right" src="images/rust-logo-blk.svg" alt="The Rust logo">
+```
+
+### `class="hidden"`
+
+HTML tags with class `hidden` will not be shown.
+
+```html
+<div class="hidden">This will not be seen.</div>
+```
+
+<div class="hidden">This will not be seen.</div>
+
+### `class="warning"`
+
+To make a warning or similar note stand out, wrap it in a warning div.
 
 ```html
 <div class="warning">