Div in center of div
<!DOCTYPE html>
<html>
<head>
<style>
div.relative {
position: relative;
width: 500px;
height: 200px;
border: 3px solid #73AD21;
}
div.absolute {
position: absolute;
width: 200px;
height: 100px;
border: 3px solid #73AD21;
margin: auto;
left:0;
right: 0;
top: 0;
bottom: 0;
}
</style>
</head>
<body>
<h2>position: absolute;</h2>
<p>An element with position: absolute; is positioned relative to the nearest positioned ancestor (instead of positioned relative to the viewport, like fixed):</p>
<div class="relative">This div element has position: relative;
<div class="absolute">This div element has position: absolute;</div>
</div>
</body>
</html>
<html>
<head>
<style>
div.relative {
position: relative;
width: 500px;
height: 200px;
border: 3px solid #73AD21;
}
div.absolute {
position: absolute;
width: 200px;
height: 100px;
border: 3px solid #73AD21;
margin: auto;
left:0;
right: 0;
top: 0;
bottom: 0;
}
</style>
</head>
<body>
<h2>position: absolute;</h2>
<p>An element with position: absolute; is positioned relative to the nearest positioned ancestor (instead of positioned relative to the viewport, like fixed):</p>
<div class="relative">This div element has position: relative;
<div class="absolute">This div element has position: absolute;</div>
</div>
</body>
</html>
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