Three CSS methods for Div centering

This article mainly and everyone to share the CSS implementation of the P-center method, the CSS code is easy to understand, very good, with reference value, the need for reference to friends, hope to help everyone.

Below to share P Center implementation code, the specific code is as follows:

<! DOCTYPE html>

As above two p, implement P2 in P1 inside is centered display

One, method one

The width minus p2 of the MARGIN,P1 is the value of P2margin-left: (100-40)/2=30

The high of P1 minus P2 is the value of P2margin-top: (100-40)/2=30

<! DOCTYPE html>

Second, method two

Using the CSS Position property, the P2 relative to P1 top, left are set to 50%, and then with the Margin-top set to P2 the height of the negative half pull back, with the Marg-left set to the width of the negative half pull back, CSS settings as follows

<! DOCTYPE html>

Three, method three

or using CSS's position property, such as the following HTML

<! DOCTYPE html>

Iv. Method IV

Take advantage of the new properties of CSS3 Table-cell

<! DOCTYPE html>

Another benefit of this method is that the height of the P2 can be not fixed, as follows

<! DOCTYPE html>