#map_canvas {
    width: 100%;
    height: 750px;
    border: 0.2px solid #00407a;
    float: left;
  }
  #legend {
    font-family: Helvetica;color: #FFF;
    padding: 25px;
    margin: 25px;
    border: 1px solid #FFD900;   
    width: 220px;  
    float: left;
    }
  #legend h3 {
    margin-top: 0;
    padding: 1px;
    text-align: center;
    border: 1px solid #fff;
  }
  #legend img {
    vertical-align: middle;
  }