A quick scouring of the Web reveals that there are literally thousands of themes available for WordPress. The sheer amount of choice that we have is great. It also means that we do not have to know how to build an entire theme from scratch just to have some semblance of a unique theme. Still, we can build entire WordPress themes from scratch, and if you are interested in learning how to do so, we suggest reading the latest edition of WordPress Theme Design (ISBN: 978-1-849510-08-0).
Many shop owners are perfectly happy using freely available third-party themes without making any adjustments at all. The downside to this approach is that there are bound to be dozens, or even hundreds, of other sites out there that look almost exactly like your shop. You can easily boost the originality factor of your store by learning a few basic tweaks. In most cases, the adjustments are simple, such as:
Changing the header image on a theme you love.
Replacing the fonts included...