diff --git a/CSSStyleGuide.md b/CSSStyleGuide.md
index a9c03c86..30f4146a 100644
--- a/CSSStyleGuide.md
+++ b/CSSStyleGuide.md
@@ -208,4 +208,13 @@ Wrong:
 /* Sequence of simple selectors. */
 button.foo.bar {
   ...
-}
\ No newline at end of file
+}
+```
+
+## Images
+
+Add height and width attributes to images in the html markup to help minimize layout shift during page load.
+
+```
+<img src="url/to/image.png" height="240" width="160">
+```