radio单选框样式设置
input[type=radio] {
display: inline-block;
vertical-align: middle;
width: 20px;
height: 20px;
-webkit-appearance: none;
background-color: transparent;
border: 0;
outline: 0 !important;
line-height: 20px;
color: #d8d8d8;
}
input[type=radio]:after {
content: "";
display:block;
width: 20px;
height: 20px;
border-radius: 50%;
text-align: center;
line-height: 14px;
font-size: 16px;
color: #fff;
border: 3px solid #ddd;
background-color: #fff;
box-sizing:border-box;
}
input[type=radio]:checked:after {
content: "L";
transform:matrix(-0.766044,-0.642788,-0.642788,0.766044,0,0);
-webkit-transform:matrix(-0.766044,-0.642788,-0.642788,0.766044,0,0);
border-color: #099414;
background-color: #099414;
}
原文：http://www.cnblogs.com/rzcclub/p/7399845.html