1:
input[type=radio],input[type=checkbox] {
display:inline-block;
vertical-align:middle;
width:20px;
height:20px;
margin-left:5px;
-webkit-appearance:none;
background-color:transparent;
border:0;
outline:0 !important;
line-height:20px;
color:#d8d8d8;
}
2:
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:2px solid #ddd;
background-color:#fff;
box-sizing:border-box;
}
3:
input[type=checkbox]:after {
content:"";
display:block;
width:20px;
height:20px;
text-align:center;
line-height:14px;
font-size:16px;
color:#fff;
border:2px solid #ddd;
background-color:#fff;
box-sizing:border-box;
}
4:
input[type=checkbox]:checked:after {
border: 4px solid #ddd;
background-color: #37AF6E;
}
5:
input[type=radio]:checked:after {
content: "";
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: #37AF6E;
background-color: #37AF6E;
}
来源：https://www.cnblogs.com/CharlesJian/p/11045182.html