'$nav_icon_color' => array_key_exists('nav_icon_color', $disable) ? '' : ['frio_nav_icon_color', L10n::t('Navigation bar icon color '), $arr['nav_icon_color'], '', false],
'$link_color' => array_key_exists('link_color', $disable) ? '' : ['frio_link_color', L10n::t('Link color'), $arr['link_color'], '', false],
'$background_color' => array_key_exists('background_color', $disable) ? '' : ['frio_background_color', L10n::t('Set the background color'), $arr['background_color'], '', false],
- '$contentbg_transp' => array_key_exists('contentbg_transp', $disable) ? '' : ['frio_contentbg_transp', L10n::t('Content background opacity'), defaults($arr, 'contentbg_transp', 100), ''],
+ '$contentbg_transp' => array_key_exists('contentbg_transp', $disable) ? '' : ['frio_contentbg_transp', L10n::t('Content background opacity'), ($arr['contentbg_transp'] ?? 0) ?: 100, ''],
'$background_image' => array_key_exists('background_image', $disable) ? '' : ['frio_background_image', L10n::t('Set the background image'), $arr['background_image'], $background_image_help, false],
'$bg_image_options_title' => L10n::t('Background image style'),
'$bg_image_options' => Image::get_options($arr),