set center of the box css 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: center element in div
/* html */
<h1>Centering with CSS</h1>
<h3>Text-Align Method</h3>
<div class="blue-square-container">
<div class="blue-square"></div>
</div>
<h3>Margin Auto Method</h3>
<div class="yellow-square"></div>
<h3>Absolute Positioning Method</h3>
<div class="green-square"></div>
/* css */
h1,
h3 {
text-align: center;
}
.blue-square-container {
text-align: center;
}
.blue-square {
background-color: #0074D9;
width: 100px;
height: 100px;
display: inline-block;
}