怎么让图片等比例缩放与显示器等宽

style=”display: block;width: 100%;”

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
*{
margin: 0;
padding: 0;
}
</style>
</head>
<body>
<div>
<img style="display: block;width: 100%;" src="about_banner.png" alt="">
<img style="display: block;width: 100%;" src="about_advertise.png" alt="">
</div>
</body>
</html>