.chart_container {
        position: relative;
        font-family: Arial, Helvetica, sans-serif;
}
.chart, .preview {
        position: relative;
        left: 40px;
}
.y_axis {
        position: absolute;
        top: 0;
        bottom: 0;
        width: 40px;
}
.legend_container {
  position: absolute;
  top: 10px;
  left: 900px;
}