a{
	text-decoration: underline;
	cursor: pointer;
}
input[type='radio'] {
    -webkit-appearance:none;
    width:20px;
    height:20px;
    border:10px solid red;
    border-radius:50%;
 }
 input[type='checkbox']:checked {
   -webkit-appearance:none;
    width:20px;
    height:20px;
    border:10px solid green;
}