diff --git a/web_static/styles/4-common.css b/web_static/styles/4-common.css
index 5745a7a..26bacd9 100644
--- a/web_static/styles/4-common.css
+++ b/web_static/styles/4-common.css
@@ -14,3 +14,9 @@ body {
 	font-size: 14px;
 	font-family: Circular,"Helvetica Neue",Helvetica,Arial,sans-serif;
 }
+
+.container {
+	max-width: 1000px;
+	margin: 30px auto;
+	
+}