diff --git a/htmgem.css b/htmgem.css
index a441284..cfabb7c 100644
--- a/htmgem.css
+++ b/htmgem.css
@@ -8,6 +8,7 @@ html {
 body {
     max-width: 1024px;
     margin: auto;
+    margin-top: 0.5em;
 }
 
 ul {
@@ -30,13 +31,16 @@ li {
     padding: 0;
 }
 
-h1,h2,h3 {
-    line-height:1.2;
+h1, h2, h3 {
     color: #66f;
     margin: 0;
     padding: 0;
 }
 
+h1 { font-size: 2rem; }
+h2 { font-size: 1.8rem; }
+h3 { font-size: 1.5rem; }
+
 blockquote {
     background-color: #eee;
     border-left: 3px solid #444;