css伪类修改默认样式 radio

<style type="text/css">
input[type=radio] {
    -webkit-appearance: none;
    appearance: none;
    outline: none;
    width: 16px;
    height: 16px;
    cursor: pointer;
    vertical-align: center;
    background: #fff;
    border: 1px solid #ccc;
    position: relative;
    border-radius: 50%;
}

input[type=radio]:checked {
    border: 0;
    background-color: red
}

input[type=radio]:checked::after {
    content: "";
    display: block;
    position: absolute;
    top: 5px;
    left: 5px;
    width: 5px;
    height: 3px;
    border-radius: 0;
    border-bottom: solid 1px #fff;
    border-left: solid 1px #fff;
    -moz-transform: rotate(-45deg);
    -webkit-transform: rotate(-45deg);
    -o-transform: rotate(-45deg);
    -ms-transform: rotate(-45deg);
    transform: rotate(-45deg);
}
</style>
<input type="radio" name="">123
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作者：HD2killers 
来源：CSDN 
原文：https://blog.csdn.net/HD2killers/article/details/81483011 
版权声明：本文为博主原创文章，转载请附上博文链接！