dropdown form

<!DOCTYPE html>
<html>
  <head>
    <title>dustebin</title>
    <link href="pastebin.css" rel="stylesheet" type="text/css" />
  </head>
  <body>
    <div class="container">
      <div class="dustebin">
        <label for="country">Select Country:</label>
        <select name="option" id="option">
          <option value="select">Select Country</option>
          <option value="Nigeria">Nigeria</option>
          <option value="Ghana">Ghana</option>
          <option value="Canada">Canada</option>
          <option value="France">France</option>
        </select>
        <br /><br />
        <label for="country">Select State:</label>
        <select name="option" id="optn">
          <option value="select">Please select Country first</option>
          <option value="Nigeria">Nigeria</option>
          <option value="Ghana">Ghana</option>
          <option value="Canada">Canada</option>
          <option value="France">France</option>
        </select>
        <br /><br />

        <label for="country">Select District:</label>
        <select name="option" id="optnn">
          <option value="select">Select State first</option>
          <option value="Nigeria">Nigeria</option>
          <option value="Ghana">Ghana</option>
          <option value="Canada">Canada</option>
          <option value="France">France</option>
        </select>
        <br /><br />
        <div class="button">
          <button type="button" class="bttn" name="button">Submit</button>
        </div>
      </div>
    </div>
  </body>
</html>