iPhone standard UI details

Are there any UI standards with respect to 开发者_C百科font size, color, height of a section header in table view, padding, image size in a table cell etc. If yes, can you please guide me where can I found them.

You may want to read through Apple's Human Interface Guidelines, if you haven't done so already.

you could use https://github.com/senchalabs/jQTouch/tree/master/themes/apple/ as a reference