Set the padding property to 30px.

<html>
<head>
<style>
img {
padding: 30px;
height:130px;
width:200px;
border: solid;

background-color:lightGrey;
}
</style>
</head>
<body>
<h2>Kluane National Park, Canada</h2>
<img src="https://mimo.app/r/kluane.png">
</body>
</html>
]]>

Make sure to pick padding, followed by :, and finally 30px.