Use the following options to set up background of your web.
Click [Upload] button to upload your background image or delete an existing one [Delete].
Background Image Size
Choose a way to apply a background image.
[Original Image Size]: Displays the image in its original size [Constrain]: Select this option to resize a background image with constrain proportions [Stretch to fullscreen]: [Stretch to fullscreen]: Stretches an image to full screen regardless of its original aspect ratio