Mobile Friendliness help?

So my profile doesn't get shrunk on width like a noodle, and before you suggest it, I have used the following after every starting <style> before the brackets just in case but to no avail:

Is there any other thing I could try? I'm worried that I might have to throw together a new layout because of how precarious mine currently is, but I've seen some amazing things code can do on here so I definitely have hopes. And thank you for every response in advance!