Update main.css

Author: chaimburstein

arise-source/config/main.css

@@ -50,6 +50,18 @@ blockquote {
         color:#000000;
 }
 
+h1 {
+    font-size: 2em;
+}
+
+h2 {
+    font-size: 1.5em;
+}
+
+h3 {
+    font-size: 1em;
+}
+
 hr {
         color:#000000;
         margin-left: auto;