personal fontSize and palette colors

<!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>
    html,
    body {
      height: 100%;
      width: 100%;
      margin: 0;
      padding: 0;
    }

    #myChart {
      height: 100%;
      width: 100%;
      min-height: 150px;
    }

    .zc-ref {
      display: none;
    }

    select {
      position: absolute;
      z-index: 1000;
      bottom: 5px;
      left: 10px;
    }
  </style>
</head>

<body>
  <div id="myChart">
    <a class="zc-ref" href="https://www.zingchart.com/">Powered by ZingChart</a>
  </div>
  <script>
    ZC.LICENSE = ["569d52cefae586f634c54f86dc99e6a9", "b55b025e438fa8a98e32482b5f768ff5"];
    var myConfig = {
      "type": "treemap",
      "options": {
        "split-type": "balanced",
        "color-type": "palette",
        "palette": ["#f44336", "#29b6f6", "#ab47bc", "#ffc107", "#5c6bc0", "#009688"],
        box: {
          fontSize: 15
        }
      },
      "plotarea": {
        "margin": "0 0 35 0"
      },
      "series": [{
          "text": "North America",
          "children": [{
              "text": "United States",
              "children": [{
                "text": "Texas",
                "value": 90
              }]
            },
            {
              "text": "Canada",
              "value": 113
            },
            {
              "text": "Mexico",
              "value": 78
            }
          ]
        },
        {
          "text": "Europe",
          "children": [{
              "text": "France",
              "value": 42
            },
            {
              "text": "Spain",
              "value": 28
            }
          ]
        },
        {
          "text": "Africa",
          "children": [{
              "text": "Egypt",
              "value": 22
            },
            {
              "text": "Congo",
              "value": 38
            }
          ]
        },
        {
          "text": "Asia",
          "children": [{
              "text": "India",
              "value": 92
            },
            {
              "text": "China",
              "value": 68
            }
          ]
        },
        {
          "text": "South America",
          "children": [{
              "text": "Brazil",
              "value": 42
            },
            {
              "text": "Argentina",
              "value": 28
            }
          ]
        },
        {
          "text": "Australia (continent)",
          "children": [{
              "text": "Australia (country)",
              "value": 121
            },
            {
              "text": "New Zealand",
              "value": 24
            }
          ]
        }
      ]
    };

    zingchart.render({
      id: 'myChart',
      data: myConfig,
      height: '100%',
      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">
    <a class="zc-ref" href="https://www.zingchart.com/">Powered by ZingChart</a>
  </div>
</body>

</html>

html,
body {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
}

#myChart {
  height: 100%;
  width: 100%;
  min-height: 150px;
}

.zc-ref {
  display: none;
}

select {
  position: absolute;
  z-index: 1000;
  bottom: 5px;
  left: 10px;
}

var myConfig = {
  "type": "treemap",
  "options": {
    "split-type": "balanced",
    "color-type": "palette",
    "palette": ["#f44336", "#29b6f6", "#ab47bc", "#ffc107", "#5c6bc0", "#009688"],
    box: {
      fontSize: 15
    }
  },
  "plotarea": {
    "margin": "0 0 35 0"
  },
  "series": [{
      "text": "North America",
      "children": [{
          "text": "United States",
          "children": [{
            "text": "Texas",
            "value": 90
          }]
        },
        {
          "text": "Canada",
          "value": 113
        },
        {
          "text": "Mexico",
          "value": 78
        }
      ]
    },
    {
      "text": "Europe",
      "children": [{
          "text": "France",
          "value": 42
        },
        {
          "text": "Spain",
          "value": 28
        }
      ]
    },
    {
      "text": "Africa",
      "children": [{
          "text": "Egypt",
          "value": 22
        },
        {
          "text": "Congo",
          "value": 38
        }
      ]
    },
    {
      "text": "Asia",
      "children": [{
          "text": "India",
          "value": 92
        },
        {
          "text": "China",
          "value": 68
        }
      ]
    },
    {
      "text": "South America",
      "children": [{
          "text": "Brazil",
          "value": 42
        },
        {
          "text": "Argentina",
          "value": 28
        }
      ]
    },
    {
      "text": "Australia (continent)",
      "children": [{
          "text": "Australia (country)",
          "value": 121
        },
        {
          "text": "New Zealand",
          "value": 24
        }
      ]
    }
  ]
};

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