index.css

#mapid { 
     height: 100%;
       }
	   
body {
    display: flex;
    flex-direction: row;
    margin: 0;
    padding: 0;
    }
	
#map-container {
    flex: 1;
    height: 100vh;
    }
	
#chart-container {
    flex: 1;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    }