Een div exact in het midden van het scherm pleuren - Forum

jasper

05-07-2006 08:55

zo los ik het altijd op: dit gaat alleen horizontaal, niet vertikaal.

margin-left: auto;
margin-right: auto;

voor vertikaal heb ik geen idee eigenlijk

- -

05-07-2006 08:56

Misschien zo:

margin-top: auto;
margin-bottom: auto;

j

jasper

05-07-2006 09:08

dat werkt niet hoor :)
waarvoor moet het dienen ?

- -

05-07-2006 09:09

ik heb het al:


position: absolute;
width: 100px;
height: 100px;
top: 50%;
left: 50%;
margin-top: -50px;
margin-left: -50px;
bottom: 50%;
right: 50%;
margin-bottom: -50px;
margin-right: -50px;

P

PHP Newbie

05-07-2006 10:13

op www.alistapart.com vond ik dit nog:


<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
	"DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
	<head>
		<title>Example 7: Vertical alignment of content with JavaScript &amp; CSS</title>
		<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
		<style type="text/css">
        <!--
			body {
				margin: 0;
				padding: 0;
				font: 12px/1.5 verdana, arial, helvetica, sans-serif;
				text-align: center; /* Takes care of horizontal alignment in Internet Explorer */
				background-image: url(grid.gif);
			}
			#content {
				position: relative; /* Needed for Safari */
				margin: auto; /* Takes care of horizontal alignment in standards compliant browsers */
				text-align: left;
				width: 200px;
				height: 200px;
				background-color: #fc0;
			}
			h1, p {
				margin: 0;
				padding: 1em;
			}
			h1 {
				font-size: 12px;
				line-height: 1.5em;
			}
        -->
        </style>
		<script type="text/javascript">
		<!--
		function getWindowHeight() {
			var windowHeight = 0;
			if (typeof(window.innerHeight) == 'number') {
				windowHeight = window.innerHeight;
			}
			else {
				if (document.documentElement && document.documentElement.clientHeight) {
					windowHeight = document.documentElement.clientHeight;
				}
				else {
					if (document.body && document.body.clientHeight) {
						windowHeight = document.body.clientHeight;
					}
				}
			}
			return windowHeight;
		}
		function setContent() {
			if (document.getElementById) {
				var windowHeight = getWindowHeight();
				if (windowHeight > 0) {
					var contentElement = document.getElementById('content');
					var contentHeight = contentElement.offsetHeight;
					if (windowHeight - contentHeight > 0) {
						contentElement.style.position = 'relative';
						contentElement.style.top = ((windowHeight / 2) - (contentHeight / 2)) + 'px';
					}
					else {
						contentElement.style.position = 'static';
					}
				}
			}
		}
		window.onload = function() {
			setContent();
		}
		window.onresize = function() {
			setContent();
		}
		//-->
		</script>
	</head>

	<body>
		<div id="content">
			<h1>Content</h1>
			<p>This content should be centered in your browser window. CSS is used for horizontal alignment, while scripting is used for vertical alignment.</p>
		</div>
	</body>
</html>