css horizontally or vertically div code example
Example 1: css center vertically
<style>
.container {
height: 200px;
position: relative;
border: 3px solid green;
}
.center {
margin: 0;
position: absolute;
top: 50%;
left: 50%;
-ms-transform: translate(-50%, -50%);
transform: translate(-50%, -50%);
}
</style>
<div class="container">
<div class="center">
<p>I am vertically and horizontally centered.</p>
</div>
</div>
Example 2: how to center div
<!DOCTYPE html>
<html>
<head>
<style>
.center {
margin: auto;
width: 80%;
border: 3px solid #73AD21;
padding: 10px; # deals with margins within the element itself
margin: 20px; # deals with area around outside of element
}
</style>
</head>
<body>
<h2>Center Align Elements</h2>
<p>To horizontally center a block element (like div), use margin: auto;</p>
<div class="center">
<p><b>Note: </b>Using margin:auto will not work in IE8, unless a !DOCTYPE is declared.</p>
</div>
</body>
</html>