Awful CSS Puzzler

You are not to touch the HTML on this page. All of your work must appear the file puzzler.css. Your page must match the screenshot provided in this puzzler project.

This list item is green. and its font is bold. Check W3 schools for that.
This list item and its bullet are cyan. That's color #00FFFF.
This list item is normal-looking

I insist
that all ordered lists
be enumarated with
lower-case Roman Numerals

Yeah this ordered list too.

Now we
see this miracle
pulled off
a second time

This paragraph's text is centered. Even if it goes on for many lines and it begins to look like the King James Bible or War and Peace.

Here is a paragraph in the div.

ugly rhino picture

Notice the pretty colors and the border. You get a freebie: to center any block-level element use these two style declarations.

        margin-left:auto;
        margin-right:auto;