canvas 画六边形

 <section class="m1-c">
             <div class="m1-t clearfix">
                 <ul>
                     <li>
                         <div class="li-t clearfix">
                             <div id="box4"></div>
                             <div id="box5">摧残容颜</div>
                             <div id="box6"></div>
                         </div>
                         <div class="li-t clearfix">
                             <div id="box4"></div>
                             <div id="box5">引起体味</div>
                             <div id="box6"></div>
                         </div>
                     </li>
                     <li>
                         <div class="li-t clearfix">
                             <div id="box4"></div>
                             <div id="box5">导致肥胖</div>
                             <div id="box6"></div>
                         </div>
                         <div class="li-t clearfix">
                             <div id="box4"></div>
                             <div id="box5">并发疾病</div>
                             <div id="box6"></div>
                         </div>
                     </li>
                     <li>
                         <div class="li-t clearfix">
                             <div id="box4"></div>
                             <div id="box5">影响性欲</div>
                             <div id="box6"></div>
                         </div>
                         <div class="li-t clearfix">
                             <div id="box4"></div>
                             <div id="box5">影响性欲</div>
                             <div id="box6"></div>
                         </div>
                     </li>
                     <li>
                         <div class="li-t clearfix">
                             <div id="box4"></div>
                             <div id="box5">引发猝死</div>
                             <div id="box6"></div>
                         </div>
                         <div class="li-t">
                             <div id="box4"></div>
                             <div id="box5">癌症征兆</div>
                             <div id="box6"></div>
                         </div>
                     </li>
                 </ul>
             </div>
         </section>