This is the target DIV.

This is sample content to break up the space between the bottom DIV and the top DIV. This is sample content to break up the space between the bottom DIV and the top DIV. This is sample content to break up the space between the bottom DIV and the top DIV. This is sample content to break up the space between the bottom DIV and the top DIV.

This is the DIV that contains the content we wish to align in the middle of the browser.