.radio-item label:before {
  content: " ";
  display: inline-block;
  position: relative;
  top: 3px;
  margin: 0 5px 0 0;
  width: 20px;
  height: 20px;
  border-radius: 11px;
  border: 2px solid #fff;
  background-color: transparent;
}
 
.radio-item label::after {
  left: 29px;
}
 
.radio-item input[type=radio]:checked + label:after {
  border-radius: 11px;
  width: 12px;
  height: 12px;
  position: absolute;
  top: 7px;
  left: 29px;
  content: " ";
  display: block;
  background: #fff;
}

.container ul{
  list-style: none;
  margin: 0;
  padding: 0;
  overflow: auto;
}
 
ul li{
  color: #AAAAAA;
  display: block;
  position: relative;
  float: left;
  width: 100%;
  height: 50px;
}
 
ul li input[type=radio]{
  position: absolute;
  visibility: hidden;
}
 
ul li label{
  display: block;
  position: relative;
  font-weight: 300;
  font-size: 1.35em;
 
  margin: 10px auto;
  height: 30px;
  z-index: 9;
  cursor: pointer;
  -webkit-transition: all 0.25s linear;
}
 
ul li:hover label{
  color: #FFFFFF;
}
 
ul li .check{
  display: block;
  position: absolute;
  border: 5px solid #AAAAAA;
  border-radius: 100%;
  height: 25px;
  width: 25px;
  top: 30px;
  left: 20px;
  z-index: 5;
  transition: border .25s linear;
  -webkit-transition: border .25s linear;
}
 
ul li:hover .check {
  border: 5px solid #FFFFFF;
}
 
ul li .check::before {
  display: block;
  position: absolute;
  content: '';
  border-radius: 100%;
  height: 15px;
  width: 15px;
  top: 5px;
  left: 5px;
  margin: auto;
  transition: background 0.25s linear;
  -webkit-transition: background 0.25s linear;
}
 
input[type=radio]:checked ~ .check {
  border: 5px solid #0DFF92;
}
 
input[type=radio]:checked ~ .check::before{
  background: #0DFF92;
}
 
input[type=radio]:checked ~ label{
  color: #fff;

}