Dark theme breaks frontend

* **What Operating System?**
Windows
* **What version of Chrome?**
Version 94.0.4606.61
* **What version of Recorder's Assistant (GitHub version or Chrome Store version)?**
Chrome store 4.6
* **What steps will reproduce the issue?**
Turn on dark theme in chrome and use the tool. The text boxes and pop up windows changed color and the contrast is bad.
* **What would you expect to be the outcome?**
Would expect same color/format as normal theme chrome.
* **Any additional details/screenshots to help people to fix any potential bugs?**