diff --git a/docs/css/extra.css b/docs/css/extra.css
index dd1f76c..f4be0b1 100644
--- a/docs/css/extra.css
+++ b/docs/css/extra.css
@@ -4,3 +4,6 @@
 [data-md-color-scheme="slate"] nav {
     --md-primary-fg-color: rgb(113, 13, 13);
 }
+img {
+    opacity: 0.8;
+}