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首先准备两张图片
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=Edge">
<meta name="keywords" content="">
<meta name="description" content="">
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
.radio label {
padding: 7px 0px;
line-height: 20px;
position: relative;
font-weight: normal;
}
.radio .option {
width: 15px;
height: 15px;
position: absolute;
top: 10px;
left: 0px;
background-size: cover;
background: url(uncheck.png) no-repeat;
background-size: cover;
}
.radio input[type="radio"] {
display: inline-block;
margin-right: -3px;
opacity: 0;
}
.radio input[type="radio"]:checked+div {
background: url(check.png) no-repeat;
background-size: cover;
}
</style>
</head>
<body>
<div class="radio">
<label>
<input type="radio" name="sex" value="" />
<div class="option"></div>
<span class="opt-text">PO#</span>
</label>
<label>
<input type="radio" name="sex" value="" />
<div class="option"></div>
<span class="opt-text">CFSIA PO/CUT#</span>
</label>
</div>
</body>
</html>