This is the first part of fully complex course for development of an E-commerce site , in this part we are going to develop the shell of this site putting Bootstrap to practice, it is easy and fun to work with Bootstrap also we are going to develop responsive design. so can be view on multiple devices .In the second part we are going to develop CMS with PHP similar to Fully functional PHP blog with CMS-course , and in the end we are going to develop the payment system.Bootstrap is one of the most important CSS library give you the possibility to develop a web site quickly and accurate , and knowing it, will give you SUPER POWERS in the web development world and job market place.