how to resize a background image in css code example

Example 1: background image size css

#example1 {
  background: url(mountain.jpg);
  background-repeat: no-repeat;
  background-size: auto;
}

#example2 {
  background: url(mountain.jpg);
  background-repeat: no-repeat;
  background-size: 300px 100px;
}

Example 2: html background image fit to screen

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

Example 3: how to fit background image in html

/* To make an Image fit the Screen*/


METHOD - 1

html { 
  background: url(images/yourImage.jpg) no-repeat center center fixed; 
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}

METHOD - 2

IMP: To make sure that the image covers the whole screen, 
you must apply **height: 100%** to both <html> and <body>:

body, html {
  height: 100%;
}

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