It seems "display: flex;" doesn't work for "header .follow-btn" specifically

[terrifricker]

I just saw another question the same as yours and the answers said to turn off your ad block extension in firefox, or try in chrome:

Problem with "CSS Flexbox: Add Flex Superpowers to the Tweet Embed" lesson

Seems to be a bug. I’ve added the correct code manually, and I’ve tried pasting in the entire “solution” code, neither will pass for me. Using Firefox browser with no issues until now. edit to add: sorry, not sure how to block code on this forum? <style> body { font-family: Arial, sans-serif; } header { display: flex; } header .profile-thumbnail { width: 50px; height: 50px; border-radius: 4px; } header .profile-name { display: flex; marg…