Help me in solving HTML47 problem

My issue

I don’t understand the problem

Learning course: Learn HTML / CSS
Problem Link: CodeChef: Practical coding for everyone

Just copy all the text written inside and tag. And, paste in the CSS file. After that delete the complete style tag.

This is to create external style sheet. Just copy the text inside the <style> tag and paste it inside style.css and delete the entire <style> </style> block