Width 100% with white borders around it. WHy?

Question

Ok, I\'m trying to design a website that has an image at the top that spans the full width of the browser. And below that I want to put different colored div containers that

Answer 1

did you tried to reset the margin and padding of all element to 0, if not then try following code into your css file.

*{
  padding:0;
  margin:0;
}