用css改变radio样式

input[type="radio"] + label::before {
content: "a0"; /*不换行空格*/
display: inline-block;
vertical-align: middle;
1em;
height: 1em;
margin-right: .4em;
border-radius: 50%;
border: 1px solid #E26602;
text-indent: .15em;
padding: 1px;
}
input[type="radio"]:checked + label::before {
background-color: #E26602;
background-clip: content-box;
}
input[type="radio"] {
position: absolute;
clip: rect(0, 0, 0, 0);
}