How do I make a Web page with CSS?

css| Web page

In the use of the table, we found that the center is very easy, but in the CSS how to center the page? Use CSS, set the div align=center as invalid, how to make the page center, in the process of using CSS found, centered with the body of the property, to see

Body {
Text-align:center;
}
#container {
margin:0 Auto;
wdith:760px;
Text-align:left;
}

Use Center in text-text alignment of the Body property

In the container outside the patch margin, set the left and right automatically that auto can make the page center