【appearance】
<!DOCTYPE html>
<html>
<head>
<style type='text/css'>
input[type="checkbox"] {
content: url('http://placehold.it/200x200');
display: block;
width: 200px;
height: 200px;
}
input[type="checkbox"]:checked {
content: url('http://placehold.it/210x210');
}
.native-hidden {
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
}
</style>
</head>
<body>
<input class="native-hidden" type="checkbox" />
Click image to see the change
</body>
</html>
