Example of custom radio buttons|CSS Snippets|W3Docs

Source Code: (back to article)

<!DOCTYPE html>
<html>
  <head>
    <title>Title of the document</title>
    <style>
      /* The container */
      .container {
        display: block;
        position: relative;
        padding-left: 30px;
        margin-bottom: 10px;
        cursor: pointer;
        font-size: 20px;
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
      }
      /* Hide the browser's default radio button */
      .container input {
        position: absolute;
        opacity: 0;
        cursor: pointer;
      }
      /* Create a custom radio button */
      .checkmark {
        position: absolute;
        top: 0;
        left: 0;
        height: 25px;
        width: 25px;
        background-color: #eeeeee;
        border-radius: 50%;
      }
      /* On mouse-over, add a gray background color */
      .container:hover input ~ .checkmark {
        background-color: #999999;
      }
      /* When the radio button is selected, add a blue background */
      .container input:checked ~ .checkmark {
        background-color: #1c87c9;
      }
      /* Create the indicator (the dot/circle - hidden when not checked) */
      .checkmark:after {
        content: "";
        position: absolute;
        display: none;
      }
      /* Show the indicator (dot/circle) when checked */
      .container input:checked ~ .checkmark:after {
        display: block;
      }
      /* Style the indicator (dot/circle) */
      .container .checkmark:after {
        top: 8px;
        left: 9px;
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: #eeeeee;
      }
    </style>
  </head>
  <body>
    <h2>Custom Radio Buttons</h2>
    <form action="/form/submit" method="POST">
      <label class="container">W3docs
        <input type="radio" checked="checked" name="radio">
        <span class="checkmark"></span>
      </label>
      <label class="container">Stackdev
        <input type="radio" name="radio">
        <span class="checkmark"></span>
      </label>
      <label class="container">Arcnet
        <input type="radio" name="radio">
        <span class="checkmark"></span>
      </label>
    </form>
  </body>
</html>