Click on the Banner. The Object Property dialog box appears.
Click on Upload HTML & CSS (.zip) link. The Upload File dialog box appears.
Enter the banner name in Banner Name text box.
Click on the Choose File button. The Open dialog box appears.
Browse for .hmtl/.css file in .zip format and click upload. The new banner files is added to Select Banner list.
Note: The zip file must have index.html file directly inside it. If the index.html refers to some .css, images or other .html files they should also reside inside the zip in proper relative path.
You can now apply this image from existing banner images link.