       <div class="options">
            <ul>
              <li data-paper-size="794*1123" class="active">A4</li>
              <li data-paper-size="1593*2251">A2</li>
              <li data-paper-size="1125*1593">A3</li>
              <li data-paper-size="565*796">A5</li>
              <li data-paper-size="412*488">5号信封</li>
              <li data-paper-size="450*866">6号信封</li>
              <li data-paper-size="609*862">7号信封</li>
              <li data-paper-size="862*1221">9号信封</l