TailwindCSS safelist is not working.

h-[60vh]

export default {
    darkMode: "class",
    safelist: [
        'h-[60vh]',
      ],
    content: [
        "./app/Filament/**/*.php",
        "./app/Livewire/**/*.php",
        "./resources/views/**/*.blade.php",
        "./vendor/filament/**/*.blade.php",
    ],
};