.png); width: 20px;" value="">
      <input id="reset" type="button" value="Reset">

      <p>N = <select id="nosc">
          <option value="3">3</option>
          <option value="4">4</option>
          <option selected value="5">5</option>
          <option value="6">6</option>
          <option value="10">10</option>
        </select>
      <br>
      &alpha; = <select id="alpha">
          <option value="0.6">0.6</option>
          <option value="0.8">0.8</option>
          <option selected value="1">1