Post Preview Error After Update

I’ve tested in WordPress 3.9 and the grid plugin is working just fine. It sounds like something else affected your site. If you provide a link to your site I can look.

Sorry I meant to post my website address not this page’s link lol.

Here’s my website, and it still does not work. Even though before the update everything was fine.

https://letthebakingbeginblog.com

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The problem is with the CSS on your theme. Due to the way your theme applies padding to elements, it’s making the elements too wide to float next to each other.

If you add this to your stylesheet ( https://gist.github.com/billerickson/1ae84367ac9821a47250 ) it should fix the issue.