[LayaAir3]请问web版本如何让游戏运行在特定的标签下

 <main role="main" id="main" class="main" style="height:100%;padding-left:0">

    <div id="ga_game" style="height:100%;position:relative;">

        <!------- GAME BODY SPACE START --------->



        <!--------- GAME BODY SPACE END ---------->

    </div>

 </main>