Display in darkmode

<img width="796" alt="image" src="https://github.com/olucaslopes/streamlit-paste-button/assets/54569460/2b2b9719-c247-430f-a36f-e28bef5d5fb4">

Dear,
First of all, thank you for creating such a good project
In darkmode, it is not displaying roperly
Could you please fix it and fix the space in **`"   [📋 Paste an image]"`**
Thank you