diff --git a/preview.html b/preview.html
index f2b699e..85dc777 100644
--- a/preview.html
+++ b/preview.html
@@ -56,7 +56,7 @@
     }
     body {
       margin: 0 auto;
-      max-width: 60em;       
+      max-width: 50em;       
       padding-left: 50px;
       padding-right: 50px;
       padding-top: 50px;
@@ -86,7 +86,7 @@
       }
     }
     p {
-      margin-top: 1.7em;
+      margin-top: .8em;
     }
     a {
       color: #1a1a1a;
@@ -100,6 +100,10 @@
     h1, h2, h3, h4, h5, h6 {
       margin-top: 1.7em;
     }
+    h1 { font-size: 34px; }
+    h2 { font-size: 28px; }
+    h3 { font-size: 26px; }
+    h4 { font-size: 23px; }
     ol, ul {
       padding-left: 1.7em;
       margin-top: 1.7em;
@@ -119,9 +123,10 @@
       font-size: 85%;
       margin: 0;
       padding: .2em .4em;
+      line-height: 1.0;
     }
     pre {
-      line-height: 1.5em;
+      line-height: 1.0;
       padding: 1em;
       background-color: #f0f0f0;
       overflow: auto;