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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8">
    <title> Pure.CSS Checkboxes and Radios </title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="https://unpkg.com/purecss@1.0.1/build/pure-min.css">
  </head>
<body>
  <style>
    form{
     margin: 20px;
     }
  </style>
<body>
<form class="pure-form">
    <label for="option-one" class="pure-checkbox">
        <input id="option-one" type="checkbox" value="">
        Here's option one.
    </label>
    <label for="option-two" class="pure-radio">
        <input id="option-two" type="radio" name="optionsRadios" value="option1" checked>
        Here's a radio button. You can choose this one..
    </label>
    <label for="option-three" class="pure-radio">
        <input id="option-three" type="radio" name="optionsRadios" value="option2">
        ..Or this one!
    </label>
</form>
</body>
</html>