Upload your background image here, you have various settings for your image:<br/><strong>Repeat Image</strong>: enable repeating your image, you will need it when using patterned background.<br/><strong>Alignment</strong>: Set the position to align your background image.<br/><strong>Attachment</strong>: Make your image scroll with your site or fixed.<br/><strong>Auto resize</strong>: Enable it to ensure your background image always fit the windows.