<form>

  <div>

    <input type="checkbox" id="subscribeNews" name="subscribe" value="newsletter">

    <label for="subscribeNews">Subscribe to newsletter?</label>

  </div>

  <div>

    <button type="submit">Subscribe</button>

  </div>

</form>

<div>

  <input type="checkbox" id="scales" name="scales"

         checked>

  <label for="scales">Scales</label>

</div>

​

<div>

  <input type="checkbox" id="horns" name="horns">

  <label for="horns">Horns</label>

</div>

<form>

  <fieldset>

    <legend>Choose your interests</legend>

    <div>

      <input type="checkbox" id="coding" name="interest" value="coding" />

      <label for="coding">Coding</label>

    </div>

    <div>

      <input type="checkbox" id="music" name="interest" value="music" />

      <label for="music">Music</label>

    </div>

    <div>

      <input type="checkbox" id="art" name="interest" value="art" />

      <label for="art">Art</label>

    </div>

    <div>

      <input type="checkbox" id="sports" name="interest" value="sports" />

      <label for="sports">Sports</label>

    </div>

    <div>

      <input type="checkbox" id="cooking" name="interest" value="cooking" />

      <label for="cooking">Cooking</label>

    </div>

    <div>

      <input type="checkbox" id="other" name="interest" value="other" />

      <label for="other">Other</label>

      <input type="text" id="otherValue" name="other" />

    </div>

    <div>

      <button type="submit">Submit form</button>

    </div>

  </fieldset>

</form>

<form>

  <fieldset>

  <legend>Choose your interests</legend>

    <div>

      <input type="checkbox" id="coding" name="interest" value="false">

      <label for="coding">Coding</label>

    </div>

    <div>

      <input type="checkbox" id="music" name="interest" value="music">

      <label for="music">Music</label>

    </div>

    <div>

      <input type="checkbox" id="art" name="interest" value="art">

      <label for="art">Art</label>

    </div>

    <div>

      <input type="checkbox" id="sports" name="interest" value="sports">

      <label for="sports">Sports</label>

    </div>

    <div>

      <input type="checkbox" id="cooking" name="interest" value="cooking">

      <label for="cooking">Cooking</label>

    </div>

    <div>

      <input type="checkbox" id="other" name="interest" value="other">

      <label for="other">Other</label>

      <input type="text" id="otherValue" name="other">

    </div>

    <div>

      <button type="submit">Submit form</button>

    </div>

  </fieldset>

</form>

<form>

  <div>

    <input

      type="checkbox"

      id="subscribeNews"

      name="subscribe"

      value="newsletter" />

    <label for="subscribeNews">Subscribe to newsletter?</label>

  </div>

  <div>

    <button type="submit">Subscribe</button>

  </div>

</form>