Link

Reusing codes by utilizing WordPress Template Loops:

Direct Link: http://wp.tutsplus.com/tutorials/re-use-common-elements-the-easy-way-with-wordpresss-get_template_part-function/

Link

http://gregrickaby.com/2012/10/web-typography-using-rem.html

Link

http://snook.ca/archives/html_and_css/font-size-with-rem