lex items )</small></h4>
      <!--auto | flex-start | flex-end | center | baseline | stretch -->
      <div class="radio">
         <span class="nbsp"><label for="R81">elemento 1: </label><input type="number"  class="flex-shrink" id="R81" min="0" ></span>
         <span class="nbsp"><label for="R82">elemento 2: </label><input type="number"  class="flex-shrink" id="R82" min="0" ></span>
         <span class="nbsp"><label for="R83">elemento 3: </label><input type="number"  class="flex-shrink" id="R83" min="0