<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8" />
    <title>amCharts V4 Example - stock-chart</title>
    <link rel="stylesheet" href="index.css" />
  </head>
  <body>
    <div id="chartdiv"></div>
    <div id="controls" style="width: 100%; overflow: hidden;">
    <div style="float: left; margin-left: 15px;">
    From: <input type="text" id="fromfield" class="amcharts-input" />
    To: <input type="text" id="tofield" class="amcharts-input" />
    </div>
    <div style="float: right; margin-right