How to Auto-resize an Image to Fit into a DIV Container using CSS
Topic: HTML / CSSPrev|Next
Answer: Use the CSS max-width Property
You can simply use the CSS max-width property to auto-resize a large image so that it can fit into a smaller width <div> container while maintaining its aspect ratio.
Additionally, you can also apply the max-height property if you've a fixed height div element, so that the image doesn't overflow from the div's boundary horizontally or vertically.
Example
Try this code »<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Resize Image Proportionally with CSS</title>
<style>
img{
max-width: 100%;
max-height: 100%;
display: block; /* remove extra space below image */
}
.box{
width: 250px;
border: 5px solid black;
}
.box.large{
height: 300px;
}
.box.small{
height: 100px;
}
</style>
</head>
<body>
<h2>Image inside Auto-height Div</h2>
<div class="box">
<img src="images/sky.jpg" alt="Cloudy Sky">
</div>
<br>
<h2>Image inside Portrait Div</h2>
<div class="box large">
<img src="images/sky.jpg" alt="Cloudy Sky">
</div>
<br>
<h2>Image inside Landscape Div</h2>
<div class="box small">
<img src="images/sky.jpg" alt="Cloudy Sky">
</div>
</body>
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