We have been getting ready to go from Dev to Production and suddenly our VF pages have started rendering in a very strange way - any help?enter image description here

  • can you check in Browser Inspect if there are any CSS loading issues?
    – kurunve
    Oct 3, 2018 at 13:04

1 Answer 1


If you inspect the page you will notice that in the console a 500 error is occurring relating to the CSS on page load, which means the servers aren't sending lightning stylesheet data. This started for me yesterday and is currently only an issue in Winter 19.

enter image description here


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