First, I think you should stop cutting and pasting and learn how to code. Learn HTML and CSS for starters. You are lost at a very easy place and the road is only going to get harder.
HTML http://www.w3schools.com/html/default.asp Then here
http://www.w3schools.com/html/html5_intro.asp
CSS http://www.w3schools.com/css/default.asp then here
http://www.w3schools.com/css3/default.asp
For the answer to your last question look here
http://www.w3schools.com/css/css_padding.asp