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CSS - Box Sizing

With CSS you can create many kind of box size effects that may help you to design your website.

The CSS box-sizing property allows us to include the padding and border in an element's total width and height.

If you set box-sizing: border-box; on an element, padding and border are included in the width and height


The box property has worked like as shown below

width + padding + border = actual width of an element
height + padding + border = actual height of an element

Example : Box Sizing

<!DOCTYPE html>
<html>
<head>
<style>
.div1 {
width: 300px;
height: 100px;
border: 1px solid blue;
box-sizing: border-box;
}
.div2 {
width: 300px;
height: 100px;
padding: 50px;
border: 1px solid red;
box-sizing: border-box;
}
</style>
</head>
<body>
<div class="div1">CSS - 1</div>
<br>
<div class="div2">CSS - 2</div>
</body>
</html>

Both box are the same size.

When the above code is compiled , it produces the following result.

Result

css box