Boxes no longer cover image

[mschmidt1919]

Problem description

Image occlusion used to work perfectly, but at some point it no longer covered the image. The boxes appear by themselves at the top of the card and the image appears below the boxes. Any feedback would be appreciated.

Checklist

Please replace the space inside the brackets with an x if the following items apply:

• [x] I've restarted Anki to see if it helps
• [x] I've verified that I use the latest version of the add-on by redownloading it from AnkiWeb
• [x] I've verified that I use the latest version of Anki by checking at https://apps.ankiweb.net#download
• [x] I've tried to disable other add-ons to see if there are any interactions present
• [ ] My issue disappears when I hold shift while starting Anki.
• [x] I've checked if anyone else reported this problem before by looking through the issue reports. I also checked to see if there is a section about known issues in the add-on description, documentation, or README.

Information about your Anki set-up

Please open Anki, go to Help → About, click on "Copy Debug Info", and paste the result between the backticks below (if the button does not appear you are using an older version of Anki 2.1 and will need to update first):

    
    Anki 2.1.35 (84dcaa86) Python 3.8.0 Qt 5.14.2 PyQt 5.14.2
    Platform: Mac 10.15.5
    Flags: frz=True ao=False sv=1
    Add-ons, last update check: 2020-11-24 21:01:04
    
    
    ===Add-ons (active)===
    (add-on provided name [Add-on folder, installed at, version, is config changed])
    Frozen Fields ['516643804', 2020-02-29T22:12, 'None', '']
    Image Occlusion Enhanced for Anki 21 alpha ['1374772155', 2020-04-27T21:21, 'None', '']
    More Overview Stats 21 ['738807903', 2019-01-05T14:42, 'None', '']
    Progress Bar ['2091361802', 2017-08-29T14:00, 'None', '']
    Replay buttons on card ['498789867', 2017-11-20T06:38, 'None', '']
    Review Heatmap ['review_heatmap', 2020-04-30T08:23, 'None', '']
    
    ===IDs of active AnkiWeb add-ons===
    1374772155 2091361802 498789867 516643804 738807903
    
    ===Add-ons (inactive)===
    (add-on provided name [Add-on folder, installed at, version, is config changed])
    

Error message (if any)

If you've received an error message, please copy and paste it between the backticks below: