Display changes

I want to make the following changes to the display of the text produced by the plugin:
a. Text shall be aligned center
b. Distance between the title and the link should be reduced.
See
http://goo.gl/wX6RO

Can you please tell what should be addedto the CSS to acheive these results?

http://ww.wp.xz.cn/extend/plugins/microkids-related-posts/