#map {
  height: 300px;
}

#b1{width: 300px;
    padding: 10px;
    box-sizing: border-box;
    border: 1px solid #68779a;
    background: #cbe8fa;
    cursor: pointer;}

#b2{width: 300px;
    padding: 10px;
    box-sizing: border-box;
    border: 1px solid #68779a;
    background: #cbe8fa;
    cursor: pointer;}

#b3{width: 300px;
    padding: 10px;
    box-sizing: border-box;
    border: 1px solid #68779a;
    background: #cbe8fa;
    cursor: pointer;}