Slightly improve style

css/ubuild.css

@@ -5,6 +5,14 @@
     padding: 0
 }
 
+h1, h2, h3 {
+    padding: 1em 0 0.5em 0;
+}
+
+ul, ol {
+    padding-left: 2em;
+}
+
 h1 {
     font-size: 48px;
     font-size: 3rem;