<!--
  Copyright IBM Corp. 2016, 2018
  This source code is licensed under the Apache-2.0 license found in the
  LICENSE file in the root directory of this source tree.
-->
<fieldset class="bx--fieldset">
  <legend class="bx--label">Radio button label</legend>
  <div class="bx--form-item">
    <div class="bx--radio-button-group ">
        <div class="bx--radio-button-wrapper">
          <input id="radio-button-ipuz8yi319-1" class="bx--radio-button" type="radio" value="red" name="radio-button" tabindex="0" checked>
          <label for="radio-button-ipuz8yi319-1" class="bx--radio-button__label">
            <span class="bx--radio-button__appearance"></span>
            <span class="bx--radio-button__label-text">Radio button label</span>
          </label>
        </div>
        <div class="bx--radio-button-wrapper">
          <input id="radio-button-ipuz8yi319-2" class="bx--radio-button" type="radio" value="green" name="radio-button" tabindex="0">
          <label for="radio-button-ipuz8yi319-2" class="bx--radio-button__label">
            <span class="bx--radio-button__appearance"></span>
            <span class="bx--radio-button__label-text">Radio button label</span>
          </label>
        </div>
        <div class="bx--radio-button-wrapper">
          <input id="radio-button-ipuz8yi319-3" class="bx--radio-button" type="radio" value="blue" name="radio-button" tabindex="0" disabled>
          <label for="radio-button-ipuz8yi319-3" class="bx--radio-button__label">
            <span class="bx--radio-button__appearance"></span>
            <span class="bx--radio-button__label-text">Radio button label</span>
          </label>
        </div>
    </div>
  </div>
</fieldset><!--
  Copyright IBM Corp. 2016, 2018
  This source code is licensed under the Apache-2.0 license found in the
  LICENSE file in the root directory of this source tree.
-->
<fieldset class="bx--fieldset">
  <legend class="bx--label">Radio button label</legend>
  <div class="bx--form-item">
    <div class="bx--radio-button-group ">
        <div class="bx--radio-button-wrapper bx--radio-button-wrapper--label-left">
          <input id="radio-button-p2ili5u4kb-1" class="bx--radio-button" type="radio" value="red" name="radio-button" tabindex="0" checked>
          <label for="radio-button-p2ili5u4kb-1" class="bx--radio-button__label">
            <span class="bx--radio-button__appearance"></span>
            <span class="bx--radio-button__label-text">Radio button label</span>
          </label>
        </div>
        <div class="bx--radio-button-wrapper bx--radio-button-wrapper--label-left">
          <input id="radio-button-p2ili5u4kb-2" class="bx--radio-button" type="radio" value="green" name="radio-button" tabindex="0">
          <label for="radio-button-p2ili5u4kb-2" class="bx--radio-button__label">
            <span class="bx--radio-button__appearance"></span>
            <span class="bx--radio-button__label-text">Radio button label</span>
          </label>
        </div>
        <div class="bx--radio-button-wrapper bx--radio-button-wrapper--label-left">
          <input id="radio-button-p2ili5u4kb-3" class="bx--radio-button" type="radio" value="blue" name="radio-button" tabindex="0" disabled>
          <label for="radio-button-p2ili5u4kb-3" class="bx--radio-button__label">
            <span class="bx--radio-button__appearance"></span>
            <span class="bx--radio-button__label-text">Radio button label</span>
          </label>
        </div>
    </div>
  </div>
</fieldset><!--
  Copyright IBM Corp. 2016, 2018
  This source code is licensed under the Apache-2.0 license found in the
  LICENSE file in the root directory of this source tree.
-->
<fieldset class="bx--fieldset">
  <legend class="bx--label">Radio button label</legend>
  <div class="bx--form-item">
    <div class="bx--radio-button-group  bx--radio-button-group--vertical ">
        <div class="bx--radio-button-wrapper">
          <input id="radio-button-ceedkn1ilpp-1" class="bx--radio-button" type="radio" value="red" name="radio-button--vertical" tabindex="0" checked>
          <label for="radio-button-ceedkn1ilpp-1" class="bx--radio-button__label">
            <span class="bx--radio-button__appearance"></span>
            <span class="bx--radio-button__label-text">Radio button label</span>
          </label>
        </div>
        <div class="bx--radio-button-wrapper">
          <input id="radio-button-ceedkn1ilpp-2" class="bx--radio-button" type="radio" value="green" name="radio-button--vertical" tabindex="0">
          <label for="radio-button-ceedkn1ilpp-2" class="bx--radio-button__label">
            <span class="bx--radio-button__appearance"></span>
            <span class="bx--radio-button__label-text">Radio button label</span>
          </label>
        </div>
        <div class="bx--radio-button-wrapper">
          <input id="radio-button-ceedkn1ilpp-3" class="bx--radio-button" type="radio" value="blue" name="radio-button--vertical" tabindex="0" disabled>
          <label for="radio-button-ceedkn1ilpp-3" class="bx--radio-button__label">
            <span class="bx--radio-button__appearance"></span>
            <span class="bx--radio-button__label-text">Radio button label</span>
          </label>
        </div>
    </div>
  </div>
</fieldset><!--
  Copyright IBM Corp. 2016, 2018
  This source code is licensed under the Apache-2.0 license found in the
  LICENSE file in the root directory of this source tree.
-->
<fieldset class="bx--fieldset">
  <legend class="bx--label">Radio button label</legend>
  <div class="bx--form-item">
    <div class="bx--radio-button-group  bx--radio-button-group--vertical ">
        <div class="bx--radio-button-wrapper bx--radio-button-wrapper--label-left">
          <input id="radio-button-16553ym7wrd-1" class="bx--radio-button" type="radio" value="red" name="radio-button--vertical" tabindex="0" checked>
          <label for="radio-button-16553ym7wrd-1" class="bx--radio-button__label">
            <span class="bx--radio-button__appearance"></span>
            <span class="bx--radio-button__label-text">Radio button label</span>
          </label>
        </div>
        <div class="bx--radio-button-wrapper bx--radio-button-wrapper--label-left">
          <input id="radio-button-16553ym7wrd-2" class="bx--radio-button" type="radio" value="green" name="radio-button--vertical" tabindex="0">
          <label for="radio-button-16553ym7wrd-2" class="bx--radio-button__label">
            <span class="bx--radio-button__appearance"></span>
            <span class="bx--radio-button__label-text">Radio button label</span>
          </label>
        </div>
        <div class="bx--radio-button-wrapper bx--radio-button-wrapper--label-left">
          <input id="radio-button-16553ym7wrd-3" class="bx--radio-button" type="radio" value="blue" name="radio-button--vertical" tabindex="0" disabled>
          <label for="radio-button-16553ym7wrd-3" class="bx--radio-button__label">
            <span class="bx--radio-button__appearance"></span>
            <span class="bx--radio-button__label-text">Radio button label</span>
          </label>
        </div>
    </div>
  </div>
</fieldset>It's a best practice to use fieldset and legend when composing HTML for radio buttons. Unlike checkboxes, radio buttons should always be grouped.
See Form for more details.