Fix project activity layout

Signed-off-by: Eric Poirier <eric.poirier@eclipse-foundation.org>

content/en_project_activity.php

diff --git a/content/en_project_activity.php b/content/en_project_activity.php
index 1201a21..e8e07d6 100644
--- a/content/en_project_activity.php
+++ b/content/en_project_activity.php
@@ -14,7 +14,7 @@
 <div class="container">
 	<div class="row">
 		<div class="col-sm-16 padding-bottom">
-		<h1 style="margin-top:1.5em;"><?php print $pageTitle;?></h1>
+		<h1><?php print $pageTitle;?></h1>
 
 		<p>
 			Eclipse Foundation projects now cover runtimes; static and dynamic languages;

project_activity.php

diff --git a/project_activity.php b/project_activity.php
index 841291e..fe3541a 100644
--- a/project_activity.php
+++ b/project_activity.php
@@ -30,7 +30,7 @@
 
   // Custom theme variables
 	$variables = array();
-	$variables['main_container_classes'] = 'container-full breadcrumbs-offset footer-offset background-grey';
+	$variables['main_container_classes'] = 'container-full breadcrumbs-offset footer-offset';
 	$App->setThemeVariables($variables);
 
   //	$App->AddExtraHtmlHeader('<link rel="stylesheet" type="text/css" href="/default/style.css"/>');