add some breathing room below the article

diff --git a/src/css/doc.css b/src/css/doc.css
index 4bf1ef5..350bf4e 100644 (file)
--- a/src/css/doc.css
+++ b/src/css/doc.css
@@ -1,7 +1,7 @@
 .doc {
   margin: 0 auto;
   max-width: 40rem;
-  padding: 0 1rem 2rem;
+  padding: 0 1rem 4rem;
   color: #333;
 }