Is there a way to custom upload the UI plugin?

[Nouden]

System Information

• Strapi Version: 4.12.1
• Operating System:
• Database:
• Node Version: 18.16.1
• NPM Version:
• Yarn Version:

I used the plugin extension to require alternativeText when uploading the image.
This is the result i got

The UI is pretty ugly, so is there any way I can customize the UI here. Please give me an example.
Thank you