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Center Align - Using margin

Setting the width of a block-level element will prevent it from stretching out to the edges of its container. Use margin: auto;, to horizontally center an element within its container.

The element will then take up the specified width, and the remaining space will be split equally between the two margins:

<!DOCTYPE html>
<html>
<head>
<style>
.center {
    margin: auto;
    width: 60%;
    border: 3px solid #73AD21;
    padding: 10px;
}
</style>

<script>
var _hmt = _hmt || [];
(function() {
var hm = document.createElement("script");
hm.src = "//hm.baidu.com/hm.js?73c27e26f610eb3c9f3feb0c75b03925";
var s = document.getElementsByTagName("script")[0];
s.parentNode.insertBefore(hm, s);
})();
</script>
</head>
<body>

<div class="center">
  <p><b>Note: </b>Using margin:auto will not work in IE8, unless a !DOCTYPE is declared.</p>
</div>

</body>
</html>

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