Radio Input Image Checkbox 01

<!DOCTYPE html>
<html>
<head>
  <title>RADIO INPUT IMAGE CHECKBOX 01 | Par NGLESSON</title>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<meta name="keyword" content="RADIO INPUT IMAGE CHECKBOX 01 ">
	<meta name="author" content="Mezgani said">
	<meta name="copyright" content="NGLESSON">
  <link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet">
  <link href="style.css" rel="stylesheet" type="text/css">
</head>
<body>
  <div class="container">
    <div class="row mt-5 text-center mx-auto">
    <ul>
    <li><input type="radio" id="cb1" name="inputradio" />
      <label for="cb1"><img src="https://source.unsplash.com/random/" /></label>
    </li>
    <li><input type="radio" id="cb2" name="inputradio" />
      <label for="cb2"><img src="https://source.unsplash.com/random/" /></label>
    </li>
    <li><input type="radio" id="cb4" name="inputradio" />
      <label for="cb4"><img src="https://source.unsplash.com/random/" /></label>
    </li>
  </ul>
    </div>
  </div>
</body>
</html>

ul {
    list-style-type: none;
  }
  
  li {
    display: inline-block;
  }
  
  input[type="radio"][id^="cb"] {
    display: none;
  }
  
  label {
    border: 1px solid #fff;
    padding: 10px;
    border-radius: 50%;
    display: block;
    position: relative;
    margin: 10px;
    cursor: pointer;
  }
  
  label:before {
    background-color: rgba(16, 65, 99, 0.32 );
    text-align:center;
    color: white;
    content: " ";
    display: block;
    border-radius: 50%;
  /*   border: 1px solid grey; */
    position: absolute;
    top:10px;
    left: 10px;
    z-index:1;
    width: 100px;
    height: 100px;
    text-align: center;
    line-height: 100px;
    transition-duration: 0.4s;
    transform: scale(0);
  }
  
  label img {
    height: 100px;
    width: 100px;
    transition-duration: 0.1s;
    transform-origin: 50% 50%;
    border-radius: 50%;
  }
  
  :checked + label {
    border-color: #eee;
  }
  
  :checked + label:before {
    content: "✓";
    transform: scale(1.1);
  }
  
  :checked + label img {
    transform: scale(1.2);
    box-shadow: 0 0 3px #333;
    z-index: -1;
  }