function css()
 {
     global $ss_settings;
     $content_opacity = $ss_settings['body_bg_opacity'];
     $bg_color = $ss_settings['body_bg'];
     if (isset($bg_color['background-color'])) {
         $bg_color = $bg_color['background-color'];
     } else {
         $bg_color = '#ffffff';
     }
     // Style defaults to null.
     $style = null;
     // The Content background color
     if ($content_opacity < 100) {
         $content_bg = 'background:' . StacheStack_Color::get_rgba($bg_color, $content_opacity) . ';';
         $style = '.wrap.main-section div.content .bg {' . $content_bg . '}';
     }
     wp_add_inline_style('stachestack_css', $style);
 }
function stachestack_get_rgba($hex, $opacity, $echo)
{
    _stachestack_deprecated_function(__FUNCTION__, '3.2', 'StacheStack_Color::sanitize_hex()');
    return StacheStack_Color::get_rgba($hex, $opacity, $echo);
}