background image fit entire page in css code example

Example 1: css background image fit

body {
    background-image:    url(images/background.svg);
    background-size:     cover;                      /* <------ */
    background-repeat:   no-repeat;
    background-position: center center;              /* optional, center the image */
}

Example 2: how to cover full background with css

<div id="bg">
  <img src="images/bg.jpg" alt="">
</div>