Assuming this isn't a spam post.
Excellent coding skills are required to build e-commerce sites.
Mrs. Nancy you shared design theory links, should i start from the design theory's or html - css ?
what is your thought? Cause i see somebody make good website programmaticly but looks awful..
does theorys important about this or it requires experience?
Designing for print is nothing like designing for the web. Learn HTML & CSS while you experiment with different designs. Practice, practice, practice. That's the best way to learn.