fullscreen pseudo-class

The pseudo-class fullscreen sets a style of elements for full-screen browser mode. In order to switch from the standard page display mode to full screen and back, you need to press the F11 key on the keyboard.

Syntax

selector:fullscreen {
	
}

Example

Let's click to expand the element with text in full screen mode and recolor its background:

<div id="txt">
	Full screen
</div>
<p>
	<button onclick="fullScreen()">Click</button>
</p>

body {
	margin: 0;
}
#txt {
	padding: 10px;
	background: #467CBC;
	color: white;
	width: 200px;
}
#txt:-webkit-full-screen {
	background: #E37D76;
}
#txt:-moz-full-screen {
	background: #E37D76;
}
#txt:-ms-fullscreen {
	background: #E37D76;
}

function fullScreen() {
	let elem = document.getElementById('txt'); // Getting the element
	if (elem.webkitRequestFullscreen) elem.webkitRequestFullscreen(); // Chrome, Opera, Safari
	else if (elem.mozRequestFullScreen) elem.mozRequestFullScreen(); // Firefox
	else if (elem.msRequestFullscreen) elem.msRequestFullscreen(); // Internet Explorer, Edge
	else if (elem.requestFullscreen) elem.requestFullscreen(); // Стандарт
}

fullscreen pseudo-class

Syntax

Example

See also