<input type="checkbox" name="ch" id="ch">
<label for="ch"></label>
label {
  display: block;
  width: 20px;
  height: 20px;
  background: #fff;
  border:2px solid red;
  border-radius: 50%;
  position: relative;
  cursor: pointer;
}
label:after {
  content: '';
  display: block;
  width: 10px;
  height: 10px;
  background: red;
  border-radius: 50%;
  position: absolute;
  top:0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 5px;
  display: none;
}
input[type="checkbox"]{
  display: none;
}
input[type="checkbox"]:checked~label:after {
  display: block;
}
jsbin