You can change the background color of a webpage, or you can use an image as the background.
Select the page whose background you want to change by clicking it in the sidebar on the left of the iWeb window.
If the Page inspector isn’t open, click the Inspector button in the toolbar (or choose View > Show Inspector), and then click the Page button.
Click Layout.
Choose an option from the Page Background pop-up menu:
Color Fill: Gives the background a single solid color. Click the color well and choose a color by dragging the slider and clicking the color wheel.
Gradient Fill: Colors the background with two colors that gradually blend into each other. Click each color well and select colors in the Colors window.
Image Fill: Lets you use your own image as a background. The window that opens, browse to choose your image, and then click Open. Choose a scaling option from the Tile pop-up menu.
Tinted Image Fill: Lets you use your own image with a color tint over it. Choose your image and a scaling option as described above, and then click the color well to select the color. To make the color more or less transparent, drag the Opacity slider in the Colors window.
Changing the page background does not affect the backgrounds of images or text boxes on the page.
To undo a background change, press Command-Z or choose Edit > Undo [background type].
Note:If that page’s background is already an image, click the Choose button to choose a new image.