How do make a image as a background to a website?

Question

Do u have to save the html file in the same saver with the image or u can just get any image

Answer 1

i have tried, shud i save both my css file in the same folder with the images i want to use?

Answer 2

You can do that by using the background-image property in CSS:
body {
    background-image: url("image.gif");
}

Answer 3

Yes.