public static function print_border_color_with_opacity_css_rule($border_color, $border_opacity, $css_selector) { if (AdapThemeOptions::color_is_set($border_color)) { $color_rgba = adap_html2rgb($border_color); $color_rgba[] = $border_opacity; AdapThemeOptions::print_border_color_rgba_css_rule($color_rgba, $css_selector); } }