diff --git a/src/imag/static/index.css b/src/imag/static/index.css
index 1f0c61a..d4dfa6c 100644
--- a/src/imag/static/index.css
+++ b/src/imag/static/index.css
@@ -13,7 +13,7 @@
 
 body {
     margin: auto;
-    max-width: 1100px;
+    max-width: 40em;
     padding: 2em;
     height: 100%
 }