How do I prevent the title and legend from overlapping with the chart? --> (3) Manual

<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>ZingSoft Demo</title>

  <script nonce="undefined" src="https://cdn.zingchart.com/zingchart.min.js"></script>
  <style></style>
</head>

<body>
  <div id='myChart'></div>
  <script>
    ZC.LICENSE = ["569d52cefae586f634c54f86dc99e6a9", "b55b025e438fa8a98e32482b5f768ff5"];
    var myConfig = {
      "type": "line",
      "title": {
        "text": "Chart Title",
        "background-color": "#ffe6e6",
        "border-width": 1,
        "border-color": "red",
        "margin-left": "30%",
        "margin-right": "5%",
        "margin-top": "5%",
        "margin-bottom": "90%"
      },
      "legend": {
        "header": {
          "text": "Legend"
        },
        "background-color": "#ffe6e6",
        "border-width": 1,
        "border-color": "red",
        "margin-left": "5%",
        "margin-top": "20%",
        "height": "20%",
        "width": "15%"
      },
      "plotarea": {
        "background-color": "#ffe6e6",
        "border-width": 1,
        "border-color": "red",
        "margin-left": "30%",
        "margin-right": "5%",
        "margin-top": "20%",
        "margin-bottom": "10%"
      },
      "series": [{
          "values": [3, 4, 11, 5, 19, 7]
        },
        {
          "values": [9, 19, 15, 25, 12, 14]
        },
        {
          "values": [15, 29, 19, 21, 25, 26]
        }
      ]
    };

    zingchart.render({
      id: 'myChart',
      data: myConfig,
      height: 400,
      width: "100%"
    });
  </script>
</body>

</html>

<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>ZingSoft Demo</title>

  <script src="https://cdn.zingchart.com/zingchart.min.js"></script>
</head>

<body>
  <div id='myChart'></div>
</body>

</html>

var myConfig = {
  "type": "line",
  "title": {
    "text": "Chart Title",
    "background-color": "#ffe6e6",
    "border-width": 1,
    "border-color": "red",
    "margin-left": "30%",
    "margin-right": "5%",
    "margin-top": "5%",
    "margin-bottom": "90%"
  },
  "legend": {
    "header": {
      "text": "Legend"
    },
    "background-color": "#ffe6e6",
    "border-width": 1,
    "border-color": "red",
    "margin-left": "5%",
    "margin-top": "20%",
    "height": "20%",
    "width": "15%"
  },
  "plotarea": {
    "background-color": "#ffe6e6",
    "border-width": 1,
    "border-color": "red",
    "margin-left": "30%",
    "margin-right": "5%",
    "margin-top": "20%",
    "margin-bottom": "10%"
  },
  "series": [{
      "values": [3, 4, 11, 5, 19, 7]
    },
    {
      "values": [9, 19, 15, 25, 12, 14]
    },
    {
      "values": [15, 29, 19, 21, 25, 26]
    }
  ]
};

zingchart.render({
  id: 'myChart',
  data: myConfig,
  height: 400,
  width: "100%"
});