css hover change background image
refer: https://www.studytonight.com/css-howtos/how-to-change-image-on-hover-with-css
使用这样的写法即可：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>HTML</title>
</head>
<style>
.change {
height: 200px;
width: 300px;
background-image: url("https://s3.ap-south-1.amazonaws.com/s3.studytonight.com/tutorials/uploads/pictures/1626415729-101156.png") ;
background-repeat: no-repeat;
}
.change:hover {
background-image: url("https://s3.ap-south-1.amazonaws.com/s3.studytonight.com/tutorials/uploads/pictures/1626415784-101156.png") ;
background-repeat: no-repeat;
}
</style>
<body>
<h2> Change image on hover</h2>
<div class="change"></div>
</body>
</html>