body {
      margin: 0;
      padding: 0;
    }
    #mainWrapper {
      margin: 0;
      padding: 0;
    }
    #gameBoard {
      margin: 0 auto 10px;
      padding: 0;
      width: 600px;
      height: 600px;
      background: #f1f1f1;
      border: solid #375BDC 10px;
      position: relative;
    }
    .mover {
      width: 10px;
      height: 10px;
      background:#375BDC; 
      position: absolute;
      top: 300px;
      left: -10px;
    }
    #gameControls {
      margin: 0 auto;
      padding: 0;
      width: 600px;
    }
    #gameControls table {
      margin: auto;
    }
    #gameControls table button {
      width: 40px;
      height: 40px;
    }
    .controlDiv {
      width: 200px;
      float: left;
    }
    .controlDiv h1 {
      margin-top: 0;
    }
    @media screen and (max-width: 1000px) {
      #gameControls table button {
        width: 70px;
        height: 70px;
      } 
      #gameBoard {
        margin: 0 auto 20px;
    }