body{
    font-size: 17px;
    font-family: arial;
    background: #f4f4f4;
    line-height: 1.5em;
}

/* header{
    background: #333;
    color: #fff;
    padding: 20px;
    text-align: center;
    border-bottom: 4px #000 solid;
    margin-bottom: 10px;
} */

#main_container{
    width: 100%;
    margin: auto;
    padding: 10px;
}

#graph_container {
    width: 90%;
    height: 100vh;
    margin: auto;
    padding: 10px;
    background-color: beige;
}