Add minimum margin for small displays

diff --git a/index.html b/index.html
index 556e036eb179dc39f2d53075413314b4b252448c..65ebc07a9ddee5a4dad376cd07d5162c7f99f860 100644 (file)
--- a/index.html
+++ b/index.html
@@ -22,8 +22,8 @@
     }
 
     main {
-      max-width: 720px;
-      margin: 0 auto;
+      inline-size: min(100% - 16px, 720px);
+      margin-inline: auto;
     }
 
     form {