URL: https://developer.mozilla.org/en-US/docs/Web/CSS/break-before#result

Browser / Version: Firefox 106.0
Operating System: Mac OS X 10.15
Tested Another Browser: Yes Chrome

Problem type: Something else
Description: break-before: column not working
Steps to Reproduce:
break-before: column works at chrome but show warning "invalid property value" at firefox

View the screenshot

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