Having good content on your site might not be so useful if you do not display it in a nice manner, this is where CSS can help. With CSS you can customize your layout, colors, links, buttons, etc so that your site looks better and is easy to read. These articles should help:
Transparencies through CSS
How to give your content a certain amount of transparency in any browser.
CSS pagination template
Customize the way pagination links are shown on your site (< 1 2 3 4 5 >).
CSS links customization
Customizing the links in your site through CSS, showing different link styles for header, footer, etc.