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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;
}