Property Sets or retrieves how the background image is attached to the object within the document.
Background image scrolls with the object as the document is scrolled.
The property has a default value of scroll . For more information, see Dynamic Properties . This property can be set with the other background properties by using the background composite property. Microsoft Internet Explorer 3.0 supports the background-attachment attribute, but only when it's set by using the background attribute. This example uses an inline style sheet to set the background to fixed.