CSS Control div cannot be centered solution

1, the CSS Control div can not center the most easily committed also the simplest is not to write a DTD statement, does not conform to the rules of the web, this is easy to solve, at the top of the page plus:

That's it! In fact, there are a lot of CSS invalidation problems are also caused by the absence of a DTD statement.

2, use margin to let Div center

The simplest way to do this is to:

. divtemp{margin:0 Auto;

You can also do this:

. divtemp{margin-left:auto; margin-right:auto;}

This will allow the div to be centered! Control Div Center with CSS