css show image full screen code example

Example 1: set background image full screen css

#mainBackground{
    width: 100%;
    height: 100%;
    max-height: 100%;
    margin: 0;
    padding: 0;
    background-image: url("https://images.unsplash.com/photo-1487058792275-0ad4aaf24ca7?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=750&q=80");
    background-size:100% 100%;
    background-repeat: no-repeat;

}
html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

Example 2: HTML Image full screen width

<!DOCTYPE html>
<html>
<head>	
  
	<style>
		body{ margin:0px }
		div#middle > div{ float:left; width:100%; }
		div#middle > div > div > img{ width:100%; }
	</style>
</head>

<body>
  <div id="middle">
		<div>
			<div>
				<img src="example.jpg" alt="example">
			</div>
		</div>
	</div>
 </body>
</html>

Tags:

Html Example