JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://canvasjs.com/assets/script/canvasjs.min.js"></script>
<div class="parent">
<br/><!-- Just so that JSFiddle's Result label doesn't overlap the Chart -->
<div id="chartContainer" style="height: 130px; width: 270px;"></div>
</div>

CSS

.parent {
  background-color: #000;
  width: 300px;
  padding: 30px;
}

#chartContainer {
  margin: 30px auto 30px auto;
  display: block;
}

.canvasjs-chart-tooltip {
  max-width: 200px !important;
}

.canvasjs-chart-tooltip div {
  max-width: 200px !important;
  white-space: normal !important;
}

JavaScript

var chart = new CanvasJS.Chart("chartContainer", {
  toolTip: {
											shared: true, 
											fontFamily: "arial",
										},
  data: [
    {
      type: "line",
      showInLegend: true,
      name: "This is the last random sentence I will be writing and I am going to stop mid-sent",
      dataPoints: [
        { x: 10, y: 71 },
        { x: 20, y: 55 },
        { x: 30, y: 50 },
        { x: 40, y: 65 },
        { x: 50, y: 95 },
        { x: 60, y: 68 },
        { x: 70, y: 28 },
        { x: 80, y: 34 },
        { x: 90, y: 14 }
      ]
    },
    {
      type: "line",
      showInLegend: true,
      name: "A purple pig and a green donkey flew a kite in the middle of the night and ended up sunburnt.",
      dataPoints: [
        { x: 10, y: 71 },
        { x: 20, y: 55 },
        { x: 30, y: 50 },
        { x: 40, y: 65 },
        { x: 50, y: 95 },
        { x: 60, y: 68 },
        { x: 70, y: 28 },
        { x: 80, y: 34 },
        { x: 90, y: 14 }
      ]
    },
  ]
});

chart.render();