Customize ads to complement your site.

Google offers you a lot of choices when it comes to design. While it is better to
stick with the more traditional look, you can, if you wish to experiment or test,
choose something else. They offer over 200 colors and 24 pre-set color
palettes—you can create and save your own custom palettes using a simple
point-and-click color selection tool.
One thing you simply must do is track your earnings with online reports.
You can monitor your ad performance with customizable online reports that offer
details like the number of page impressions, clicks and click-through rate.
You can track the performance of specific ad formats, colors, and pages, which
can help you, identify trends quickly. These reporting tools let you group your
pages however you want, so you can gain insight into your earnings by viewing
results by URL, domain, ad type, category and more.