.radio {
  padding-left: 20px; 
}
.radio label {
  display: inline-block;
  vertical-align: middle;
  position: relative;
    padding-left: 5px;
	font-size: 14px;
    line-height: 1.3; 
}
.radio label::before {
  content: "";
  display: inline-block;
  position: absolute;
  width: 17px;
  height: 17px;
  left: 0;
  margin-left: -20px;
  border: 1px solid #cccccc;
  border-radius: 50%;
  background-color: #fff;
  -webkit-transition: border 0.15s ease-in-out;
  -o-transition: border 0.15s ease-in-out;
      transition: border 0.15s ease-in-out; 
}
.radio label::after {
  display: inline-block;
  position: absolute;
  content: " ";
  width: 11px;
  height: 11px;
  left: 3px;
  top: 3px;
  margin-left: -20px;
  border-radius: 50%;
  background-color: #555555;
  -webkit-transform: scale(0, 0);
  -ms-transform: scale(0, 0);
  -o-transform: scale(0, 0);
  transform: scale(0, 0);
  -webkit-transition: -webkit-transform 0.1s cubic-bezier(0.8, -0.33, 0.2, 1.33);
  -moz-transition: -moz-transform 0.1s cubic-bezier(0.8, -0.33, 0.2, 1.33);
  -o-transition: -o-transform 0.1s cubic-bezier(0.8, -0.33, 0.2, 1.33);
      transition: transform 0.1s cubic-bezier(0.8, -0.33, 0.2, 1.33); 
}
.radio input[type="radio"] {
  opacity: 0;
  z-index: 1;
  cursor: pointer;
}
.radio input[type="radio"]:focus + label::before {
      outline-offset: -2px; 
}
.radio input[type="radio"]:checked + label::after {
  -webkit-transform: scale(1, 1);
  -ms-transform: scale(1, 1);
  -o-transform: scale(1, 1);
      transform: scale(1, 1); 
}