diff --git a/_layouts/art-gallery.html b/_layouts/art-gallery.html
new file mode 100644
index 0000000..11623d9
--- /dev/null
+++ b/_layouts/art-gallery.html
@@ -0,0 +1,17 @@
+---
+layout: default
+---
+
+<style>
+  .art-gallery-content img {
+    max-width: 500px;
+    width: 100%;
+    height: auto;
+    display: block;
+    margin: 1.5rem auto;
+  }
+</style>
+
+<div class="art-gallery-content">
+  {{ content }}
+</div>
diff --git a/art-gallery.md b/art-gallery.md
index 1529303..cec2d2a 100644
--- a/art-gallery.md
+++ b/art-gallery.md
@@ -1,5 +1,5 @@
 ---
-layout: default
+layout: art-gallery
 ---
 
 # art gallery
@@ -63,4 +63,4 @@ Character: [Shishiro Botan, Hololive](https://hololive.hololivepro.com/talents/s
 Sandwich YCH, June 2026  
 Artist: [Lillimon](https://lillimon.crd.co/)  
 Character: [Shishiro Botan, Hololive](https://hololive.hololivepro.com/talents/shishiro-botan/)  
-![Flower YCH]( /assets/img/art-gallery/11.png )
+![Sandwich YCH]( /assets/img/art-gallery/11.png )