'diff' => 'background-color: white; color:black;',
'diff-otitle' => 'background-color: white; color:black; text-align: center;',
'diff-ntitle' => 'background-color: white; color:black; text-align: center;',
'diff' => 'background-color: white; color:black;',
'diff-otitle' => 'background-color: white; color:black; text-align: center;',
'diff-ntitle' => 'background-color: white; color:black; text-align: center;',