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The border of the markers.

<div id="chart"></div>
<script>
$("#chart").kendoChart({
  series: [{
    type: "rangeArea",
    markers: {
      from: {
        visible: true,
        border: {
          color: "red",
          width: 2
        }
      }
    },
    data: [
      { from: 1, to: 2 },
      { from: 2, to: 3 },
      { from: 3, to: 4 }
    ]
  }]
});
</script>

The color of the border. Accepts a valid CSS color string, including hex and rgb.

Default: "black"

<div id="chart"></div>
<script>
$("#chart").kendoChart({
  series: [{
    type: "rangeArea",
    markers: {
      from: {
        visible: true,
        border: {
          color: "blue",
          width: 2
        }
      }
    },
    data: [
      { from: 1, to: 2 },
      { from: 2, to: 3 },
      { from: 3, to: 4 }
    ]
  }]
});
</script>

The width of the border in pixels. By default the border width is set to zero which means that the border will not appear.

Default: 0

<div id="chart"></div>
<script>
$("#chart").kendoChart({
  series: [{
    type: "rangeArea",
    markers: {
      from: {
        visible: true,
        border: {
          color: "black",
          width: 3
        }
      }
    },
    data: [
      { from: 1, to: 2 },
      { from: 2, to: 3 },
      { from: 3, to: 4 }
    ]
  }]
});
</script>