The height property is used to set the height of an image. This property can have a value in length or in %. While giving value in %, it applies it in respect of the box in which an image is available.
Example
You can try to run the following code to set the height of an image −
<html>
<head>
</head>
<body>
<img style = "border:2px solid green; height:100px;" src="/css/images/logo.png" / alt="使用 CSS 设置图像的高度" >
<br />
<img style="max-width:90%" src="/css/images/logo.png" / alt="使用 CSS 设置图像的高度" >
</body>
</html> 
