I need some help with changing the CSS on a couple of things on my blog - I really don't have a clue what Im doing! I am using the theme Ryu and my blog is http://madebyamelia.com
1. I want to reduce the header size so it doesn't spread across the whole page
2. I want to change the font size in the body of my posts. I have tried to do this a couple of times but it hasn't worked so far
3. I want to remove the category being shown above every blog post title
4. I want to show my other social media icons just under my header (right now they aren't showing up anywhere on the page...)
I would be so grateful of any help you can give me!
The blog I need help with is madebyamelia.com.