diff --git a/themes/netDocs/assets/book.scss b/themes/netDocs/assets/book.scss
index 49365211c4..da1eb43c15 100644
--- a/themes/netDocs/assets/book.scss
+++ b/themes/netDocs/assets/book.scss
@@ -78,6 +78,7 @@ a {
 img {
   vertical-align: middle;
   max-width: 100%;
+  aspect-ratio: auto;
 }
 
 //Menu Styles and Expand/Collapse