CSS Sprite in Wordpress Hello. I'm using CSS Sprite Generator: http://spritegen.website-performance.org/ But I find information about where and how to add Call CSS to position images in posts (I'm using wordpress cms) in the header, footer and sidebar. Information found in html on call "my" in "my css, but did not find a specific information such as jobs in call in the HTML of the post? In cabelaçho something? example. I do not understand CSS well, but I understand the significance of the calls, but calls to add where ... I do not know. I am following the best practices of Google and Yahoo for faster loading of pages, CSS is one of them. Could you please tell me: * Calling / Sprite position images in posts of wordpress? * Calling / position header * Calling / position Sidebar * Calling / Footer positioning Expressions in CSS pages create problems. These calls were expressions posts in CSS?