added custom css for subs

opt/base.php

@@ -599,7 +599,7 @@ function reset_org_id($db, $sub, $post_id)
 }
 
 // Set the css that we use
-function set_css($mode, $settings)
+function set_css($db, $mode, $sub, $settings)
 {
 
     $admin_css = array(
@@ -619,6 +619,21 @@ function set_css($mode, $settings)
         return 'admin';
     } elseif (in_array($mode, $mod_css)) {
         return 'mod';
+    } 
+    
+	$statement = $db->prepare("SELECT css
+	 						   FROM subs
+							   WHERE name = ?");
+    $statement->bindParam(1, $sub);
+	$result = $statement->execute();
+	
+	while ($row = $result->fetchArray(SQLITE3_NUM)) {
+	        $css_sub = "{$row[0]}";
+	}
+	
+    if ( (!empty($css_sub)) ) {
+        $css = filter($css_sub, 'alnum', 20);
+		// 20 chars should be enough to name a css   
     } elseif ( (!empty($_POST['css'])) ) {
         $css = filter($_POST['css'], 'alnum', 20);
         // 20 chars should be enough to name a css