Infolist extraAttributes didn't work for tailwindcss

I can't change my color or css using the tailwindCSS class. I have done according to the documentation
https://filamentphp.com/docs/3.x/infolists/installation#installing-tailwind-css

Here is my code
public static function infolist(Infolist $infolist): Infolist { return $infolist ->schema([ Section::make([ Grid::make(2)->schema([ ImageEntry::make('course_photo') ->hiddenLabel(), TextEntry::make('course_name') ->extraAttributes(['class' => 'text-lg text-blue-500 font-bold']) ->hiddenLabel(), ]), ]), ]); }
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