That’s annoying for sure!
Maybe rebuilding the index would help:
I can’t do it myself but @digitaldan might
Also, good news for dark theme lovers, while looking for a way to do it from the admin area, I activated a new dark theme for this forum 
You can switch to it from your profile settings - go to Preferences (tab on the top), then Interface (link on the left), choose the openHAB Dark Theme and save.