Changing post width?

[sangvhh]

@TheRoyalFig Can you help me solve the problem below?

How to change content area width in blog post?

I’m using Simply theme for my blog. I would like to make the width for my posts to be a bit wider. I know it’s possible by changing it in CSS or using Code Injection. But I can’t figure it out. I’ve included a screenshot of what I wanted to do [image]