If you are a beginner user, you might find the Simple Edits plugin helpful as it presents an easier method of customizing the post info.
The snippets below may be used to customize the Post Info in XHTML themes. If you are using a HTML5 (Pro) theme, use the Entry Header customization snippets.
Below is the code to customize the post info on your site:
Below is the code to remove the post info on your site:
Below is sample CSS to customize the post info< on your site: [gist id=5700239 file=post-info.css] Additional Resources
For a list of shortcodes and attributes, check out the Shortcode Reference page.