Http://jqueryui.com/themeroller/
On this page, you can customize your UI skin.
For example, if you click the Gallery option on the tab on the left of the webpage, the official Jquery skins are listed below. Clicking Edit under any skin will jump to Rool Your Own, based on the selected skin, you can customize the skin you want. The customization process is WYSIWYG. It is easy to use. After customization, click Download theme under Rool Your Own to go To the Download page,
Click the Download button on the right side of the Download page to Download your skin to your machine. before downloading, you can choose to Download version 1.7.2 or version 1.6. Other options are available on the page, you can choose to download the skin styles of various UI plug-ins, such as Dialog and Tabls. Generally, select all of them, otherwise it will be meaningless. After the download, we will get a jquery-ui-1.7.2.custom.zip compressed package, decompress, the custom skin file under the "download folder \ jquery-ui-1.7.2.custom \ development-bundle \ themes \ custom-theme" folder.