.wrapper { 
      overflow: normal;
    }
    .wrapper div {
      min-height: 200px;
      padding: 10px;
    }
    #left {
      float: left; 
      overflow: normal;
      margin-right: 20px;
      min-width: 200px;
    }
    #map-canvas { 
      min-width:400px;
      min-height:600px;
      height: 800px;
      overflow: normal;
    }
    @media screen and (max-width: 400px) {
      #left { 
        float: none;
        margin-right: 0;
        width: auto;
      }
    }