1. 1024*768 or higher resolution is required in order to display the background ad perfectly;
2. 1440*900 background ad can be completely displayed on 19-inch (or above) wide-screen monitor;
Requirements for advertiser:
1. The left and right banners must be symmetrical and the same in size;
2. The middle part of the ad must be 1002 pixels wide;
3. The background color of the ad must be single color, and preferably the same with the webpage's background color.