diff --git a/view/theme/redbasic/css/converse_center.css b/view/theme/redbasic/css/converse_center.css
new file mode 100644
index 000000000..3b3ecddc9
--- /dev/null
+++ b/view/theme/redbasic/css/converse_center.css
@@ -0,0 +1,5 @@
+body {
+	margin-left: auto;
+	margin-right: auto;
+	max-width: $body_width;
+}
diff --git a/view/theme/redbasic/php/config.php b/view/theme/redbasic/php/config.php
index 608a9bda7..ab819f05b 100644
--- a/view/theme/redbasic/php/config.php
+++ b/view/theme/redbasic/php/config.php
@@ -6,7 +6,7 @@ function theme_content(&$a) {
 	$arr = array();
 
 	$arr['schema'] = get_pconfig(local_user(),'redbasic', 'schema' );
-    $arr['narrow_navbar'] = get_pconfig(local_user(),'redbasic', 'narrow_navbar' );
+	$arr['narrow_navbar'] = get_pconfig(local_user(),'redbasic', 'narrow_navbar' );
 	$arr['nav_bg'] = get_pconfig(local_user(),'redbasic', 'nav_bg' );
 	$arr['nav_gradient_top'] = get_pconfig(local_user(),'redbasic', 'nav_gradient_top' );
 	$arr['nav_gradient_bottom'] = get_pconfig(local_user(),'redbasic', 'nav_gradient_bottom' );
@@ -29,6 +29,7 @@ function theme_content(&$a) {
 	$arr['radius'] = get_pconfig(local_user(),'redbasic', 'radius' );
 	$arr['shadow'] = get_pconfig(local_user(),'redbasic', 'photo_shadow' );
 	$arr['converse_width']=get_pconfig(local_user(),"redbasic","converse_width");
+	$arr['converse_center']=get_pconfig(local_user(),"redbasic","converse_center");
 	$arr['nav_min_opacity']=get_pconfig(local_user(),"redbasic","nav_min_opacity");
 	$arr['top_photo']=get_pconfig(local_user(),"redbasic","top_photo");
 	$arr['reply_photo']=get_pconfig(local_user(),"redbasic","reply_photo");
@@ -64,6 +65,7 @@ function theme_post(&$a) {
 		set_pconfig(local_user(), 'redbasic', 'radius', $_POST['redbasic_radius']);
 		set_pconfig(local_user(), 'redbasic', 'photo_shadow', $_POST['redbasic_shadow']);
 		set_pconfig(local_user(), 'redbasic', 'converse_width', $_POST['redbasic_converse_width']);
+		set_pconfig(local_user(), 'redbasic', 'converse_center', $_POST['redbasic_converse_center']);
 		set_pconfig(local_user(), 'redbasic', 'nav_min_opacity', $_POST['redbasic_nav_min_opacity']);
 		set_pconfig(local_user(), 'redbasic', 'top_photo', $_POST['redbasic_top_photo']);
 		set_pconfig(local_user(), 'redbasic', 'reply_photo', $_POST['redbasic_reply_photo']);
@@ -118,6 +120,7 @@ if(feature_enabled(local_user(),'expert'))
 		'$radius' => array('redbasic_radius', t('Set radius of corners'), $arr['radius']),
 		'$shadow' => array('redbasic_shadow', t('Set shadow depth of photos'), $arr['shadow']),
 		'$converse_width' => array('redbasic_converse_width',t('Set maximum width of conversation regions'),$arr['converse_width']),
+		'$converse_center' => array('redbasic_converse_center',t('Center conversation regions'),$arr['converse_center']),
 		'$nav_min_opacity' => array('redbasic_nav_min_opacity',t('Set minimum opacity of nav bar - to hide it'),$arr['nav_min_opacity']),
 		'$top_photo' => array('redbasic_top_photo', t('Set size of conversation author photo'), $arr['top_photo']),
 		'$reply_photo' => array('redbasic_reply_photo', t('Set size of followup author photos'), $arr['reply_photo']),
diff --git a/view/theme/redbasic/php/style.php b/view/theme/redbasic/php/style.php
index c3153a025..49852036b 100644
--- a/view/theme/redbasic/php/style.php
+++ b/view/theme/redbasic/php/style.php
@@ -18,20 +18,21 @@ if(! $a->install) {
 		$nav_active_icon_colour = get_pconfig($uid, "redbasic", "nav_active_icon_colour");
 		$narrow_navbar = get_pconfig($uid,'redbasic','narrow_navbar');
 		$banner_colour = get_pconfig($uid,'redbasic','banner_colour');
-	    $link_colour = get_pconfig($uid, "redbasic", "link_colour");	
+		$link_colour = get_pconfig($uid, "redbasic", "link_colour");	
 		$schema = get_pconfig($uid,'redbasic','schema');
-	    $bgcolour = get_pconfig($uid, "redbasic", "background_colour");	
-	    $background_image = get_pconfig($uid, "redbasic", "background_image");	
+		$bgcolour = get_pconfig($uid, "redbasic", "background_colour");	
+		$background_image = get_pconfig($uid, "redbasic", "background_image");	
 		$toolicon_colour = get_pconfig($uid,'redbasic','toolicon_colour');
 		$toolicon_activecolour = get_pconfig($uid,'redbasic','toolicon_activecolour');
-	    $item_colour = get_pconfig($uid, "redbasic", "item_colour");	
-	    $item_opacity = get_pconfig($uid, "redbasic", "item_opacity");	
-	    $body_font_size = get_pconfig($uid, "redbasic", "body_font_size");	
-	    $font_size = get_pconfig($uid, "redbasic", "font_size");	
-	    $font_colour = get_pconfig($uid, "redbasic", "font_colour");	
-	    $radius = get_pconfig($uid, "redbasic", "radius");	
-	    $shadow = get_pconfig($uid,"redbasic","photo_shadow");
-	    $converse_width=get_pconfig($uid,"redbasic","converse_width");
+		$item_colour = get_pconfig($uid, "redbasic", "item_colour");	
+		$item_opacity = get_pconfig($uid, "redbasic", "item_opacity");	
+		$body_font_size = get_pconfig($uid, "redbasic", "body_font_size");	
+		$font_size = get_pconfig($uid, "redbasic", "font_size");	
+		$font_colour = get_pconfig($uid, "redbasic", "font_colour");	
+		$radius = get_pconfig($uid, "redbasic", "radius");	
+		$shadow = get_pconfig($uid,"redbasic","photo_shadow");
+		$converse_width=get_pconfig($uid,"redbasic","converse_width");
+		$converse_center=get_pconfig($uid,"redbasic","converse_center");
 		$nav_min_opacity=get_pconfig($uid,'redbasic','nav_min_opacity');
 		$sloppy_photos=get_pconfig($uid,'redbasic','sloppy_photos');
 		$top_photo=get_pconfig($uid,'redbasic','top_photo');
@@ -116,8 +117,9 @@ if(! $a->install) {
 		$shadow = "0";
 	if(! $active_colour)
 		$active_colour = '#FFFFFF';
-    if (! $converse_width)
-    	$converse_width="1024px";
+	if (! $converse_width) {
+		$converse_width="1024px";
+	}
 	if(! $top_photo)
 		$top_photo = '48px';
 	$pmenu_top = intval($top_photo) - 16 . 'px';
@@ -141,6 +143,8 @@ if(! $a->install) {
 	if(file_exists('view/theme/redbasic/css/style.css')) {
 		$x = file_get_contents('view/theme/redbasic/css/style.css');
 
+$body_width = (231 + $converse_width) . 'px'; // aside is 231px + converse width; have to find a way for calculation with 'px', cannot handle '%'
+
 $options = array (
 '$nav_bg' => $nav_bg,
 '$nav_gradient_top' => $nav_gradient_top,
@@ -173,7 +177,8 @@ $options = array (
 '$pmenu_top' => $pmenu_top,
 '$pmenu_reply' => $pmenu_reply,
 '$wwtop' => $wwtop,
-'$comment_indent' => $comment_indent
+'$comment_indent' => $comment_indent,
+'$body_width' => $body_width
 );
 
 echo str_replace(array_keys($options), array_values($options), $x);    
@@ -185,3 +190,7 @@ if($sloppy_photos && file_exists('view/theme/redbasic/css/sloppy_photos.css')) {
 if($narrow_navbar && file_exists('view/theme/redbasic/css/narrow_navbar.css')) {
 	echo file_get_contents('view/theme/redbasic/css/narrow_navbar.css');
 } 
+if($converse_center && file_exists('view/theme/redbasic/css/converse_center.css')) {
+	$x = file_get_contents('view/theme/redbasic/css/converse_center.css');
+	echo str_replace(array_keys($options), array_values($options), $x);
+} 
diff --git a/view/theme/redbasic/tpl/theme_settings.tpl b/view/theme/redbasic/tpl/theme_settings.tpl
index ccd183049..b20d17804 100644
--- a/view/theme/redbasic/tpl/theme_settings.tpl
+++ b/view/theme/redbasic/tpl/theme_settings.tpl
@@ -28,6 +28,7 @@
 {{include file="field_input.tpl" field=$radius}}
 {{include file="field_input.tpl" field=$shadow}}
 {{include file="field_input.tpl" field=$converse_width}}
+{{include file="field_checkbox.tpl" field=$converse_center}}
 {{include file="field_input.tpl" field=$nav_min_opacity}}
 {{include file="field_input.tpl" field=$top_photo}}
 {{include file="field_input.tpl" field=$reply_photo}}