put type="checkbox" id="list-checkbox-1" class="mdl-checkbox__input" checked />
      </label>
    </span>
  </li>
  <li class="mdl-list__item">
    <span class="mdl-list__item-primary-content">
      <i class="material-icons  mdl-list__item-avatar">person</i>
      Aaron Paul
    </span>
    <span class="mdl-list__item-secondary-action">
      <label class="demo-list-radio mdl-radio mdl-js-radio mdl-js-ripple-effect" for="list-option-1">
        <input type="radio" id="list-option-1" class="mdl-radio__butt