Center Aligned Grid Column is not center aligned

[qJake]

On this page:

http://semantic-ui.com/collections/grid.html#significant-word-order

The example says "Center aligned row", but the text is not center aligned.

Inspecting the page yields the following CSS is being overridden by the column:

This example should be fixed and enhanced to better show how to center text/content within a column, as well as within a row.