* {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body, html {
      width: 100%;
      -webkit-user-select: none;
      background: #C5CAE9;
    }
    #ad {
        text-align: center;
        height:100px;
    }
    #ad2 {
        text-align: center;
        height:200px;
    }
    #titleAni {
        width: 100%;
        height: auto;
    }
    #titleAniDiv {
        text-align: center;
    }
    #btStart {
        width: 50%;
        height: 80px;
        font-size: 38px;
    }
    #trailCanvas {
      display: block;
      width: 300px;
      height: 300px;
      background-color: #303F9F;
      margin: 0 auto;
    }
    #canvasDiv {
        padding: 10px;
        display: none;
    }
    #titleDiv {
        text-align: center;
        height: 60px;
        line-height: 60px;
        background-color: #303F9F;
    }
    img {
        height: 50px;
        margin-bottom:-15px;
    }
    
    #buttonDiv {
        clear: both;
        text-align: center;
        margin-top: -500px;       
        display: none;
    }
    
    #btLeft, #btTop, #btRight, #btBottom, #btStop, #spacer,#btStop{
        display: inline-block;
        height: 70px;
        width: 30%;
    }
    #spacer {
        background: url('img/minimap.png');
        background-size: 70px; 
        background-repeat: no-repeat; 
        border: none;
    }
        
    button:active {
           transform: translateY(5px); 
           background: #9E9E9E;
        }
    #notiDiv {
        text-align: center;
    }
    
    #dateDiv {
        float: right;
        margin-right: 10px;
    }
    #timeDiv {
        margin-left: 10px;
    }
    br {
        clear: both;
    }
    .introImg {
        width: 100%;
        height: auto;
        margin-bottom: 30px;
    }