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body {
  background: #000;



                function draw() {
  var canvas = document.getElementById("canvas");
  if (canvas.getContext) {
    // Get app context to allow us to draw on the canvas
    var ctx = canvas.getContext("2d");

    // Tell canvas we want to start a new path

    // Cartesian plane that enables for the triangle end points
    const coords = {
      left: {
        x: 100,
        y: 200
      right: {
        x: 200,
        y: 200
      top: {
        x: 150,
        y: 100

    // tell canvas the initial starting point
    ctx.moveTo(coords.left.x, coords.left.y);

    // create a line to from left points to the top points supplied as arguments
    // from the point above draw a line to the right points side of the triangle
    ctx.lineTo(coords.right.x, coords.right.y);
    // close our path alternative is draw a line back to the left points ctx.lineTo(coords.left.x, coords.left.y)
    // tell canvas we want our triangle ends to be rounded and not sharp
    ctx.lineJoin = "round";
    // the width of the stroke
    ctx.lineWidth = 16;
    // background color of the stroke
    ctx.strokeStyle = "white";
    // draw the stroke
    // state our fill color
    ctx.fillStyle = "#fff";
    // fill the triangle