I remember when I first started working with websites more than a decade ago, if you wanted a cool looking button in your form, you had to use images. Images still remain an option but with CSS this has is being gradually phased out.
CSS3 completely eliminates the need for images for creating basic good looking designs. And, buttons are one such design that you can cleanly replace with CSS3. One definite plus for this is that you reduce the file size of your pages.
Ajay is an investment banker by profession and a die-hard blogger by passion. He is the owner and chief editor of Techtites. In his free time, he also blogs at AjayDSouza.com, authors a few WordPress plugins and operates Sir Arthur Conan Doyle