document header style tweaks

Author: cbeer

app/assets/stylesheets/blacklight/_catalog.css.scss

@@ -15,7 +15,7 @@
   h1
   {
     margin:0;
-    padding:0 0 1em;
+    padding:0 0 0.4em;
   }
 }
 
@@ -165,6 +165,11 @@ span.constraints-label {
 	padding:.5em;
 }
 
+.document dl {
+  margin-top: 0;
+  margin-bottom: 0;
+}
+
 .dl-invert {
   dt {
     font-weight: normal;