Re: how many px equal to 100% width?

mao wrote:

if I set my body element width to be 100%, how many px value equal to
this 100% width?

All of them.

if I want my CSS use px unit

Why would you want to do that? px and % units don't usually mix well.

If you post a URL, or at least a mock up of what you envision, we could
evaluate the situation better and give you more specific advice.

--
Berg