docs: contain image sizing and prevent overflow on mobile

`max-width: 100%` keeps images from expanding beyond
their container and creating horizontal overflow scroll
on small screens.

`height: auto` ensures the image scales proportionally
when width is adjusted.

diff --git a/docs/style.css b/docs/style.css
index 1f98b6bacf3d52186fe66c3047ec9c3e381b9ae7..d5072cca8a15d335e374baeeb71746fffc1b1d4f 100644 (file)
--- a/docs/style.css
+++ b/docs/style.css
@@ -116,6 +116,10 @@ a {
 a:hover {
   text-decoration: underline;
 }
+img {
+  max-width: 100%;
+  height: auto;
+}
 b {
   font-weight: 600;
 }