<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
<style>
.example {
background: url('https://images.unsplash.com/photo-1518837695005-2083093ee35b?ixlib=rb1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=500&q=60') no-repeat;
cursor: pointer;
width: 300px;
height: 200px;
border: none;
}
</style>
</head>
<body>
<form>
<input type="submit" class="example" value="" />
</form>
</body>
</html>