diff --git a/docs/css/theme.css b/docs/css/theme.css
index 49d2c680..f6969b66 100644
--- a/docs/css/theme.css
+++ b/docs/css/theme.css
@@ -522,7 +522,12 @@ section.cover a {
     text-decoration: none;
 }
 section.cover p>img {
-    width: 20%;
+    width: 35%;
+}
+@media (min-width: 800px) {
+    section.cover p>img {
+        width: 18%;
+    }
 }
 section.cover a:hover {
     text-decoration: none;