Width

diff --git a/hack-a-day-rules.md b/hack-a-day-rules.md
index 8cde433b0b196073f586c1ca8226a06f628ac239..c390fc94f34e8df3946f8e4d5a3c72212457ef59 100644 (file)
--- a/hack-a-day-rules.md
+++ b/hack-a-day-rules.md
@@ -8,8 +8,7 @@ img {
     height: 200px;
 }
 body {
-    max-width: 30%;
-    margin-left: 20%;
+    width: calc(max(30%, 400px));
 }
 </style>