BG color & Font color - black

**Describe the bug**
If I copy selected text from OneNote online page (example of [online page](https://onedrive.live.com/redir?resid=B5BE86AE1FCCBFB5%2163344&page=Edit&wd=target%28Linux.one%7Cfcd7fbaf-412b-401b-a5de-f10324eaa464%2FUntitled%20Page%7C948d64f2-b03d-4ddf-9f79-6995e46c09ed%2F%29), but you won't be able to open it due to permission) i see black font on black background in copy history.

**To Reproduce**
Steps to reproduce the behavior:
1. Go to 'https://www.onenote.com/notebooks'
2. Make or open your account
3. Create notebook
4. Create page
5. Type some text in the page
6. Copy this text....

.. and now open copyQ history - you will see black font on the black background.

**Expected behavior**
Fix bg & font colors at copy from OneNote online

**Screenshots**

**Version, OS and Environment**
(Get details from `copyq version` command if possible.)
- Application Version: 3.10.0
- OS: Ubuntu 20.04
- Browsers: Chromium, Firefox

**Additional context**