Merge pull request #4818 from alexgibson/bug-1363239-firefox-features-header

[fix bug 1363239] Header CSS height differences on new /firefox/features/ page

media/css/firefox/features/common.scss

@@ -26,7 +26,7 @@ main {
         content: '';
         display: block;
         height: 6px;
-        margin: 20px 0 25px;
+        margin: 0 0 25px;
     }
 }
 
@@ -147,6 +147,12 @@ main {
     }
 }
 
+#firefox-features-landing {
+    .header-intro h1:first-letter {
+        letter-spacing: .025em;
+    }
+}
+
 /* -------------------------------------------------------------------------- */
 // Features grid list