<!DOCTYPE html>
<html>
<head>
<style type='text/css'>
input[type=radio] {
display: none;
}
input[type=radio]+label span {
display: inline-block;
width: 25px;
height: 25px;
margin: -1px 4px 0 0;
vertical-align: middle;
cursor: pointer;
background:url('http://placehold.it/20x20') left top no-repeat;
background-size: 100px 75px;
}
input[type=radio]:checked+label span {
background-position: -25px top;
}
</style>
</head>
<body>
<input id="r1" name="radio" type="radio" value="blah">
<label for="r1"><span></span>Radio</label>
<input id="r2" name="radio" type="radio" value="blah2">
<label for="r2"><span></span>Radio2</label>
</body>
</html>
【radio】
