how to make image full cover in css code example

Example 1: how to cover full image in css

body {
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

Example 2: css full cover background image

body { 
  background: url(path/to/bg-image.jpg) no-repeat center center fixed;
  background-size: cover;
}