diff --git a/package.json b/package.json
index 0e371c3..917d7a9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "LiteRyzJS/Project",
-  "version": "0.2.0.508",
+  "version": "0.2.1.114",
   "devDependencies": {
     "css-loader": "^7.1.2",
     "sass": "^1.77.8",
diff --git a/src/project/background-canvas.js b/src/project/background-canvas.js
new file mode 100644
index 0000000..21fb050
--- /dev/null
+++ b/src/project/background-canvas.js
@@ -0,0 +1,204 @@
+import Canvas from '../references/canvas.js';
+
+
+class BackgroundCanvas extends Canvas {
+  Options = null;
+  Debug = false;
+
+  StartDate = new Date();
+  Duration = 30;
+  StartOfWeek = 1;
+  RowCount = 8;
+
+
+  constructor(el) {
+    super(el);
+  }
+
+
+  get HeaderRow1Rectangle() {
+    return {
+      X: 0,
+      Y: 0,
+      W: this.Width,
+      H: (this.Options.HeaderRow.Height[0] - this.Options.BorderWidth)
+    };
+  }
+
+  get HeaderRow2Rectangle() {
+    const a = this;
+
+    return {
+      X: 0,
+      Y: this.Options.HeaderRow.Height[0],
+      W: this.Width,
+      H: (this.Options.HeaderRow.Height[1] - this.Options.BorderWidth)
+    };
+  }
+
+  get HeaderHeight() {
+    const a = this;
+
+    return a.Options.HeaderRow.Height[0] + a.Options.HeaderRow.Height[1];
+  }
+
+
+  Load(startDate, duration, startOfWeek, rowCount) {
+    const a = this;
+
+    a.StartDate = new Date(startDate);
+    a.Duration = duration;
+    a.StartOfWeek = startOfWeek;    // 1 = Monday
+    a.RowCount = rowCount;
+  }
+
+  Invalidate() {
+    const a = this;
+
+    if (a.Options == null) {
+      return;
+    }
+
+    if (a.StartDate == null) {
+      return;
+    }
+
+    a.#drawChartHeader();
+    a.#drawColumnLayout();
+    a.#drawRowLayout();
+  }
+
+  #drawChartHeader() {
+    const a = this;
+
+    const displayDays = a.Duration + 2;
+
+    if (a.Debug) {
+      a.DrawRectangle(a.HeaderRow1Rectangle, "red", {});
+      a.DrawRectangle(a.HeaderRow2Rectangle, "orange", {});
+    }
+
+    let startDate = new Date(a.StartDate);
+    startDate.addDays(-1);
+
+    // Draw horizontal line under months
+    a.#drawHorizontalLine(a.Options.HeaderRow.Height[0]);
+
+    // Draw vertical lines for dates
+    for (let i=1; i<displayDays; i++) {
+      a.DrawVerticalLine((a.Options.DayWidth * i), (a.Options.HeaderRow.Height[0] + a.Options.BorderWidth), (a.Options.HeaderRow.Height[1] - a.Options.BorderWidth), a.Options.BorderColour, {});
+    }
+
+    // Draw horizontal line under dates
+    a.#drawHorizontalLine(a.HeaderHeight);
+
+    // Write dates
+    for (let i=0; i<displayDays; i++) {
+      const date = Date.addDays(startDate, i);
+      const x = (a.Options.DayWidth * i);
+
+      // Draw month
+      if (date.getDate() == 1) {
+        const size = a.MeasureText(a.Options.DateFont, "#");
+        const monthPoint = {
+          X: (x + 2),
+          Y: Math.half(a.Options.HeaderRow.Height[0] - size.H)
+        };
+
+        a.DrawText(monthPoint.X, monthPoint.Y, date.toCString("MMMM"), a.Options.DateFont, a.Options.DateForeColour);
+      }
+
+      // Draw day
+      const dateRectangle = {
+        X: x,
+        Y: a.Options.HeaderRow.Height[0],
+        W: a.Options.DayWidth - a.Options.BorderWidth,
+        H: (a.Options.HeaderRow.Height[1] - a.Options.BorderWidth)
+      };
+
+      a.FillText(dateRectangle, date.getDate(), a.Options.DateFont, a.Options.DateForeColour);
+
+      if (a.Debug) {
+        a.DrawRectangle(dateRectangle, "red", {});
+      }
+
+    }
+  }
+
+  #drawColumnLayout() {
+    const a = this;
+
+    const height = a.Height;
+    const displayDays = a.Duration + 2;
+
+    let startDate = new Date(a.StartDate);
+    startDate.addDays(-1);
+
+    // Write dates
+    for (let i=0; i<displayDays; i++) {
+      const date = Date.addDays(startDate, i);
+      const x = (a.Options.DayWidth * i);
+
+      const dateRectangle = {
+        X: x,
+        Y: a.HeaderHeight,
+        W: a.Options.DayWidth - a.Options.BorderWidth,
+        H: height - a.Options.BorderWidth
+      };
+
+      // Fill background for Saturday and Sunday
+      if (date.getDay() == 6) {
+        a.DrawRectangle(dateRectangle, a.Options.Column.SatColour, { FillColour: a.Options.Column.SatColour });
+      } else if (date.getDay() == 0) {
+        a.DrawRectangle(dateRectangle, a.Options.Column.SunColour, { FillColour: a.Options.Column.SunColour });
+      }
+
+      // Draw vertical date lines
+      if (a.StartOfWeek == date.getDay()) {
+        if (a.Options.ShowStartDayOfWeekLine) {
+          a.DrawVerticalLine(dateRectangle.X, a.HeaderHeight, dateRectangle.H, a.Options.BorderColour, {});
+        }
+      } else {
+        if (a.Options.ShowDateLines) {
+          a.DrawVerticalLine(dateRectangle.X, a.HeaderHeight, dateRectangle.H, a.Options.BorderColour, { LineDash: a.Options.BorderDashPattern });
+        }
+      }
+
+    }
+  }
+
+  #drawRowLayout() {
+    const a = this;
+
+    for (let i=0; i<a.RowCount; i++) {
+      const rowRectangle = {
+        X: 0,
+        Y: (a.HeaderHeight + (a.Options.Row.Height * i)),
+        W: a.Width,
+        H: (a.Options.Row.Height - a.Options.BorderWidth)
+      };
+
+      if (a.Options.ShowRowStripes) {
+        if ((i % 2) == 1) {
+          a.DrawRectangle(rowRectangle, a.Options.Row.BackColour, { FillColour: a.Options.Row.BackColour });
+        }
+      }
+
+      if (a.Options.ShowRowLines) {
+        a.DrawHorizontalLine(0, (rowRectangle.Y + a.Options.Row.Height), rowRectangle.W, a.Options.BorderColour, { LineDash: a.Options.BorderDashPattern });
+      }
+
+    }
+  }
+
+  #drawHorizontalLine(y) {
+    const a = this;
+    const width = a.Width;
+
+    a.DrawHorizontalLine(0, y, width, this.Options.BorderColour);
+  }
+
+}
+
+
+export default BackgroundCanvas;
\ No newline at end of file
diff --git a/src/project/flourish-canvas.js b/src/project/flourish-canvas.js
new file mode 100644
index 0000000..136afe2
--- /dev/null
+++ b/src/project/flourish-canvas.js
@@ -0,0 +1,80 @@
+import Canvas from '../references/canvas.js';
+
+
+class FlourishCanvas extends Canvas {
+  Options = null;
+  Debug = false;
+
+  XPos = -1
+
+
+  constructor(el) {
+    super(el);
+  }
+
+
+  get HeaderHeight() {
+    const a = this;
+
+    return a.Options.HeaderRow.Height[0] + a.Options.HeaderRow.Height[1];
+  }
+
+
+  Load() {
+    const a = this;
+
+    a.el.addEventListener('mousemove', function (e) {
+      // Hottracking
+      if (a.Options.EnableHotTracking) {
+        const point = { X: e.offsetX, Y: e.offsetY };
+
+        if (a.Debug) {
+          console.log(point);
+        }
+
+        a.XPos = point.X;
+
+        a.Invalidate();
+      }
+
+    });
+
+    a.el.addEventListener('mouseout', function (e) {
+      a.XPos = -1;
+
+      a.Invalidate();
+    });
+
+  }
+
+  Invalidate() {
+    const a = this;
+
+    if (a.Options == null) {
+      return;
+    }
+
+    a.Clear();
+
+    if (a.XPos < 0) {
+      return;
+    }
+
+    a.#drawVerticalLine(a.XPos);
+  }
+
+  #drawVerticalLine(x) {
+    const a = this;
+    const h = this.Height - a.HeaderHeight;
+
+    if (a.Options.HotTrackLine.Width > 1) {
+      x += Math.half(a.Options.HotTrackLine.Width);
+    }
+
+    a.DrawVerticalLine(x, a.HeaderHeight, h, a.Options.HotTrackLine.Colour, { LineWidth: a.Options.HotTrackLine.Width });
+  }
+
+}
+
+
+export default FlourishCanvas;
\ No newline at end of file
diff --git a/src/project/foreground-canvas.js b/src/project/foreground-canvas.js
new file mode 100644
index 0000000..c809e55
--- /dev/null
+++ b/src/project/foreground-canvas.js
@@ -0,0 +1,157 @@
+import Canvas from '../references/canvas.js';
+
+
+class ForegroundCanvas extends Canvas {
+  Options = null;
+  Debug = false;
+
+  StartDate = new Date();
+  Tasks = [];
+
+
+  constructor(el) {
+    super(el);
+  }
+
+
+  get HeaderHeight() {
+    const a = this;
+
+    return a.Options.HeaderRow.Height[0] + a.Options.HeaderRow.Height[1];
+  }
+
+
+  Load(startDate, tasks) {
+    const a = this;
+
+    a.StartDate = new Date(startDate);
+    a.Tasks = tasks;
+  }
+
+  Invalidate() {
+    const a = this;
+
+    if (a.Options == null) {
+      return;
+    }
+
+    if (a.StartDate == null) {
+      return;
+    }
+
+    a.#drawTasks();
+    a.#drawConnectorLines();
+  }
+
+
+  #drawTasks() {
+    const a = this;
+
+    for (let i=0; i<a.Tasks.length; i++) {
+      let style = a.Options.Row.Task;
+
+      if (a.Tasks[i].IsCollated == true) {
+        style = a.Options.Row.CollatedTask;
+      } else if (a.Tasks[i].CollatedTaskID != null) {
+        style = a.Options.Row.ChildTask;
+      } else if (a.Tasks[i].PredecessorTaskID == null) {
+        style = a.Options.Row.OrphanTask;
+      }
+
+      const rectangle = a.#getTaskRectangle(a.Tasks[i], style);
+
+      if (a.Tasks[i].Duration <= 0) {
+        a.DrawDiamond(rectangle, style.BorderColour, { FillColour: style.FillColour });
+      } else {
+        a.DrawRectangle(rectangle, style.BorderColour, { FillColour: style.FillColour });
+      }
+    }
+  }
+
+  #drawConnectorLines() {
+    const a = this;
+
+    for (let i=0; i<a.Tasks.length; i++) {
+      if (a.Tasks[i].PredecessorTaskID == null) {
+        continue;
+      }
+
+      if (a.Tasks[i].PredecessorTaskID == null) {
+        continue;
+      }
+
+      const style = ((a.Tasks[i].IsCollated == true) ? a.Options.Row.CollatedTask : a.Options.Row.Task);
+      const rectangle = a.#getTaskRectangle(a.Tasks[i], style);
+      const paddingX = (a.Options.Row.CollatedTask.Height + a.Options.BorderWidth);
+      const offsetX = (rectangle.X + paddingX);
+
+      const predecessorTask = a.Tasks.first("ID", a.Tasks[i].PredecessorTaskID);
+      if (predecessorTask == null) {
+        continue;
+      }
+
+      const predecessorStyle = ((predecessorTask.IsCollated == true) ? a.Options.Row.CollatedTask : a.Options.Row.Task);
+      const predecessorRectangle = a.#getTaskRectangle(predecessorTask, predecessorStyle);
+
+      let points = [];
+      points.push({ X: (predecessorRectangle.X + predecessorRectangle.W), Y: (predecessorRectangle.Y + Math.half(predecessorRectangle.H)) });
+      points.push({ X: offsetX, Y: (predecessorRectangle.Y + Math.half(predecessorRectangle.H)) });
+
+      points.push({ X: offsetX, Y: (rectangle.Y - paddingX) });
+      points.push({ X: offsetX, Y: rectangle.Y });
+
+      a.DrawLines(points, a.Options.Line.Colour, { LineWidth: a.Options.Line.Width });
+
+      const arrowRectangle = {
+        X: (offsetX - Math.half(a.Options.Line.ArrowSize)),
+        Y: (rectangle.Y - a.Options.Line.ArrowSize),
+        W: a.Options.Line.ArrowSize,
+        H: a.Options.Line.ArrowSize
+      }
+
+      a.DrawArrowS(arrowRectangle, a.Options.Line.Colour, { FillColour: a.Options.Line.Colour });
+    }
+  }
+
+  #getTaskRectangle(task, style) {
+    const a = this;
+    const i = (task.Order - 1);
+
+    const rowRectangle = {
+      X: 0,
+      Y: (a.HeaderHeight + (a.Options.Row.Height * i)),
+      W: a.Width,
+      H: (a.Options.Row.Height - a.Options.BorderWidth)
+    };
+
+    if (a.Debug) {
+      a.DrawRectangle(rowRectangle, "red", {});
+    }
+
+    if (task.Duration <= 0) {
+      let result = {
+        X: (a.Options.DayWidth * (Date.diffDays(a.StartDate, task.StartDate) + 1)),
+        Y: (a.HeaderHeight + (a.Options.Row.Height * i) + Math.half(rowRectangle.H - style.Height)),
+        W: style.Height,
+        H: style.Height
+      };
+
+      result.X += Math.half(a.Options.DayWidth - (style.Height + a.Options.BorderWidth));
+
+      return result;
+    } else {
+      return {
+        X: (a.Options.DayWidth * (Date.diffDays(a.StartDate, task.StartDate) + 1)),
+        Y: (a.HeaderHeight + (a.Options.Row.Height * i) + Math.half(rowRectangle.H - style.Height)),
+        W: (a.Options.DayWidth * task.Duration),
+        H: style.Height
+      };
+    }
+  }
+
+
+
+}
+
+
+export default ForegroundCanvas;
\ No newline at end of file
diff --git a/src/project/gantt-chart-options.js b/src/project/gantt-chart-options.js
new file mode 100644
index 0000000..a017d67
--- /dev/null
+++ b/src/project/gantt-chart-options.js
@@ -0,0 +1,58 @@
+class GanttChartOptions {
+  DayWidth = 24;
+  HeaderRow = {
+    Height: [ 20, 20 ]
+  };
+  Row = {
+    Height: 28,
+    BackColour: "rgba(235, 235, 235, 0.3)",
+    Task: {
+      Height: 14,
+      BorderColour: "#555555",
+      FillColour: "#D8EEDB"
+    },
+    OrphanTask: {
+      Height: 14,
+      BorderColour: "#555555",
+      FillColour: "#9CC2E6"
+    },
+    ChildTask: {
+      Height: 14,
+      BorderColour: "#555555",
+      FillColour: "#FFF5C1"
+    },
+    CollatedTask: {
+      Height: 6,
+      BorderColour: "#555555",
+      FillColour: "#555555"
+    }
+  };
+  Column = {
+    SatColour: "rgba(233, 237, 239, 0.8)",
+    SunColour: "rgba(233, 237, 239, 0.9)"
+  };
+  Line = {
+    Colour: "#555555",
+    Width: 1,
+    ArrowSize: 5
+  };
+  HotTrackLine = {
+    Colour: "#D04437",
+    Width: 1
+  };
+  DateFont = "7pt sans-serif";
+  DateForeColour = "#636363";
+  BorderWidth = 1;
+  BorderColour = "#B8B8B8";
+  BorderDashPattern = [1, 1];
+  EnableHotTracking = true;
+  MinimumRowCount = 6;
+  ShowDateLines = true;
+  ShowStartDayOfWeekLine = true;
+  ShowRowLines = true;
+  ShowRowStripes = true;
+
+}
+
+
+export default GanttChartOptions;
\ No newline at end of file
diff --git a/src/project/gantt-chart.js b/src/project/gantt-chart.js
index 1dbe292..3a41e29 100644
--- a/src/project/gantt-chart.js
+++ b/src/project/gantt-chart.js
@@ -1,20 +1,29 @@
-import Canvas from '../references/canvas.js';
+import GanttChartOptions from './gantt-chart-options.js';
+
+import CanvasContainer from '../references/canvas-container.js';
+import BackgroundCanvas from './background-canvas.js';
+import ForegroundCanvas from './foreground-canvas.js';
+import FlourishCanvas from './flourish-canvas.js';
 
 import './project.scss';
 
 
 class GanttChart {
+  Options = null;
+  CanvasContainer = null;
+
+  #debug = false;
+  Tasks = [];
+  StartDate = null;
+  Duration = 30;
+  StartOfWeek = 1;
+
+
   constructor(el, options) {
     const a = this;
 
-    a.Canvas = new Canvas(el);
-    a.Options = Object.assign(a.DefaultOptions, options);
-
-    a.Debug = false;
-    a.Tasks = [];
-    a.StartDate = null;
-    a.Duration = 30;
-    a.StartOfWeek = 1;
+    a.Options = Object.assign(new GanttChartOptions(), options);
+    a.CanvasContainer = new CanvasContainer(el);
 
     a.#initialiseComponents();
   }
@@ -22,136 +31,102 @@ class GanttChart {
   #initialiseComponents() {
     const a = this;
 
-    if (!a.Canvas.el.classList.contains("literyzjs-project")) {
-      a.Canvas.el.classList.add("literyzjs-project");
-    }
+    // Add background canvas layer
+    const layer1 = a.CanvasContainer.AddLayer();
 
-    if (a.Canvas.FlowContainer.classList.contains("border")) {
-      a.Canvas.FlowContainer.classList.remove("border");
-    }
+    const backCanvasLayer = new BackgroundCanvas(layer1);
+    backCanvasLayer.Options = a.Options;
 
-    if (!a.Canvas.FlowContainer.classList.contains("gantt-chart")) {
-      a.Canvas.FlowContainer.classList.add("gantt-chart");
-    }
+    a.CanvasContainer.Layer.push(backCanvasLayer);
 
+    // Add foreground canvas layer
+    const layer2 = a.CanvasContainer.AddLayer();
+
+    const foreCanvasLayer = new ForegroundCanvas(layer2);
+    foreCanvasLayer.Options = a.Options;
+
+    a.CanvasContainer.Layer.push(foreCanvasLayer);
+
+    // Add flourish canvas layer
+    const layer3 = a.CanvasContainer.AddLayer();
+
+    const flourishCanvasLayer = new FlourishCanvas(layer3);
+    flourishCanvasLayer.Options = a.Options;
+
+    a.CanvasContainer.Layer.push(flourishCanvasLayer);
+
+    // Invalidate every canvas
+    a.CanvasContainer.Invalidate();
+
+    Document.removeClass(a.CanvasContainer.FlowContainer, "border");
+    Document.addClass(a.CanvasContainer.FlowContainer, "gantt-chart");
   }
 
 
-  get DefaultOptions() {
-    return {
-      DayWidth: 24,
-      HeaderRow: {
-        Height: [ 20, 21 ]
-      },
-      Row: {
-        Height: 28,
-        BackColour: "rgba(235, 235, 235, 0.3)",
-        Task: {
-          Height: 14,
-          BorderColour: "#555555",
-          FillColour: "#D8EEDB"
-        },
-        OrphanTask: {
-          Height: 14,
-          BorderColour: "#555555",
-          FillColour: "#9CC2E6"
-        },
-        ChildTask: {
-          Height: 14,
-          BorderColour: "#555555",
-          FillColour: "#FFF5C1"
-        },
-        CollatedTask: {
-          Height: 6,
-          BorderColour: "#555555",
-          FillColour: "#555555"
-        }
-      },
-      Column: {
-        SatColour: "rgba(233, 237, 239, 0.8)",
-        SunColour: "rgba(233, 237, 239, 0.9)",
-      },
-      Line: {
-        Colour: "#555555",
-        Width: 1,
-        ArrowSize: 5
-      },
-      DateFont: "7pt sans-serif",
-      DateForeColour: "#636363",
-      BorderWidth: 1,
-      BorderColour: "#B8B8B8",
-      BorderDashPattern: [1, 1],
-      MinimumRowCount: 6,
-      ShowDateLines: true,
-      ShowStartDayOfWeekLine: true,
-      ShowRowLines: true,
-      ShowRowStripes: true
-    };
-  }
-
-  get HeaderRow1Rectangle() {
-    return {
-      X: 0,
-      Y: 0,
-      W: this.Canvas.Width,
-      H: (this.Options.HeaderRow.Height[0] - this.Options.BorderWidth)
-    };
-  }
-
-  get HeaderRow2Rectangle() {
-    const a = this;
-
-    return {
-      X: 0,
-      Y: this.Options.HeaderRow.Height[0],
-      W: this.Canvas.Width,
-      H: (this.Options.HeaderRow.Height[1] - this.Options.BorderWidth)
-    };
-  }
-
   get HeaderHeight() {
     const a = this;
 
     return a.Options.HeaderRow.Height[0] + a.Options.HeaderRow.Height[1];
   }
 
+  get Debug() {
+    return this.#debug;
+  }
+
+  set Debug(value) {
+    const a = this;
+
+    a.#debug = value;
+
+    a.CanvasContainer.Layer.forEach(e => {
+      if (typeof(e.Debug) == "undefined") {
+        return;
+      }
+
+      e.Debug = value;
+    });
+
+  }
+
 
   Clear() {
     const a = this;
 
-    a.Canvas.Clear();
+    a.CanvasContainer.Clear();
 
     a.StartDate = new Date();
     a.Duration = 30;
     a.StartOfWeek = 1;    // 1 = Monday
     a.Tasks = [];
 
+    // Invalidate canvas (background, foreground)
+    a.CanvasContainer.Layer[0].Load(new Date(), a.Duration, a.StartOfWeek, a.Tasks.length);
+    a.CanvasContainer.Layer[1].Load(new Date(), a.Tasks);
+    a.CanvasContainer.Layer[2].Load();
+
     a.Invalidate();
   }
 
   Invalidate() {
     const a = this;
 
-    a.Canvas.Clear();
+    a.CanvasContainer.Clear();
 
     const width = ((a.Duration + 2) * a.Options.DayWidth);
     const height = (Math.max(a.Tasks.length, a.Options.MinimumRowCount) * a.Options.Row.Height) + a.HeaderHeight;
 
-    a.Canvas.Size = { W: width, H: height };
+    a.CanvasContainer.Size = {
+      W: width,
+      H: height
+    };
 
-    a.Canvas.Invalidate();
-
-    a.#drawChartHeader();
-    a.#drawColumnLayout();
-    a.#drawRowLayout();
-    a.#drawTasks();
-    a.#drawConnectorLines();
+    a.CanvasContainer.Invalidate();
   }
 
   Load(project) {
     const a = this;
 
-    a.Canvas.Clear();
+    a.CanvasContainer.Clear();
 
     if (project == null) {
       return;
@@ -162,244 +137,14 @@ class GanttChart {
     a.StartOfWeek = project.Project.StartOfWeek;
     a.Tasks = project.ExportTasks();
 
+    // Invalidate canvas (background, foreground)
+    a.CanvasContainer.Layer[0].Load(new Date(project.StartDate), project.Duration, project.Project.StartOfWeek, a.Tasks.length);
+    a.CanvasContainer.Layer[1].Load(new Date(project.StartDate), a.Tasks);
+    a.CanvasContainer.Layer[2].Load();
+
     a.Invalidate();
   }
 
-  #drawChartHeader() {
-    const a = this;
-
-    const displayDays = a.Duration + 2;
-
-    if (a.Debug) {
-      a.Canvas.DrawRectangle(a.HeaderRow1Rectangle, "red", {});
-      a.Canvas.DrawRectangle(a.HeaderRow2Rectangle, "orange", {});
-    }
-
-    let startDate = new Date(a.StartDate);
-    startDate.addDays(-1);
-
-    // Draw horizontal line under months
-    a.#drawHorizontalLine(a.Options.HeaderRow.Height[0]);
-
-    // Draw vertical lines for dates
-    for (let i=1; i<displayDays; i++) {
-      a.Canvas.DrawVerticalLine((a.Options.DayWidth * i), (a.Options.HeaderRow.Height[0] + a.Options.BorderWidth), (a.Options.HeaderRow.Height[1] - a.Options.BorderWidth), a.Options.BorderColour, {});
-    }
-
-    // Draw horizontal line under dates
-    a.#drawHorizontalLine(a.HeaderHeight);
-
-    // Write dates
-    for (let i=0; i<displayDays; i++) {
-      const date = Date.addDays(startDate, i);
-      const x = (a.Options.DayWidth * i);
-
-      // Draw month
-      if (date.getDate() == 1) {
-        const size = a.Canvas.MeasureText(a.Options.DateFont, "#");
-        const monthPoint = {
-          X: (x + 2),
-          Y: Math.half(a.Options.HeaderRow.Height[0] - size.H)
-        };
-
-        a.Canvas.DrawText(monthPoint.X, monthPoint.Y, date.toCString("MMMM"), a.Options.DateFont, a.Options.DateForeColour);
-      }
-
-      // Draw day
-      const dateRectangle = {
-        X: x,
-        Y: a.Options.HeaderRow.Height[0],
-        W: a.Options.DayWidth - a.Options.BorderWidth,
-        H: (a.Options.HeaderRow.Height[1] - a.Options.BorderWidth)
-      };
-
-      a.Canvas.FillText(dateRectangle, date.getDate(), a.Options.DateFont, a.Options.DateForeColour);
-
-      if (a.Debug) {
-        a.Canvas.DrawRectangle(dateRectangle, "red", {});
-      }
-
-    }
-  }
-
-  #drawColumnLayout() {
-    const a = this;
-
-    const height = a.Canvas.Height;
-    const displayDays = a.Duration + 2;
-
-    let startDate = new Date(a.StartDate);
-    startDate.addDays(-1);
-
-    // Write dates
-    for (let i=0; i<displayDays; i++) {
-      const date = Date.addDays(startDate, i);
-      const x = (a.Options.DayWidth * i);
-
-      const dateRectangle = {
-        X: x,
-        Y: a.HeaderHeight,
-        W: a.Options.DayWidth - a.Options.BorderWidth,
-        H: height - a.Options.BorderWidth
-      };
-
-      // Fill background for Saturday and Sunday
-      if (date.getDay() == 6) {
-        a.Canvas.DrawRectangle(dateRectangle, a.Options.Column.SatColour, { FillColour: a.Options.Column.SatColour });
-      } else if (date.getDay() == 0) {
-        a.Canvas.DrawRectangle(dateRectangle, a.Options.Column.SunColour, { FillColour: a.Options.Column.SunColour });
-      }
-
-      // Draw vertical date lines
-      if (a.StartOfWeek == date.getDay()) {
-        if (a.Options.ShowStartDayOfWeekLine) {
-          a.Canvas.DrawVerticalLine(dateRectangle.X, a.HeaderHeight, dateRectangle.H, a.Options.BorderColour, {});
-        }
-      } else {
-        if (a.Options.ShowDateLines) {
-          a.Canvas.DrawVerticalLine(dateRectangle.X, a.HeaderHeight, dateRectangle.H, a.Options.BorderColour, { LineDash: a.Options.BorderDashPattern });
-        }
-      }
-
-    }
-  }
-
-  #drawRowLayout() {
-    const a = this;
-
-    for (let i=0; i<a.Tasks.length; i++) {
-      const rowRectangle = {
-        X: 0,
-        Y: (a.HeaderHeight + (a.Options.Row.Height * i)),
-        W: a.Canvas.Width,
-        H: (a.Options.Row.Height - a.Options.BorderWidth)
-      };
-
-      if (a.Options.ShowRowStripes) {
-        if ((i % 2) == 1) {
-          a.Canvas.DrawRectangle(rowRectangle, a.Options.Row.BackColour, { FillColour: a.Options.Row.BackColour });
-        }
-      }
-
-      if (a.Options.ShowRowLines) {
-        a.Canvas.DrawHorizontalLine(0, (rowRectangle.Y + a.Options.Row.Height), rowRectangle.W, a.Options.BorderColour, { LineDash: a.Options.BorderDashPattern });
-      }
-
-    }
-  }
-
-  #drawTasks() {
-    const a = this;
-
-    for (let i=0; i<a.Tasks.length; i++) {
-      let style = a.Options.Row.Task;
-
-      if (a.Tasks[i].IsCollated == true) {
-        style = a.Options.Row.CollatedTask;
-      } else if (a.Tasks[i].CollatedTaskID != null) {
-        style = a.Options.Row.ChildTask;
-      } else if (a.Tasks[i].PredecessorTaskID == null) {
-        style = a.Options.Row.OrphanTask;
-      }
-
-      const rectangle = a.#getTaskRectangle(a.Tasks[i], style);
-
-      if (a.Tasks[i].Duration <= 0) {
-        a.Canvas.DrawDiamond(rectangle, style.BorderColour, { FillColour: style.FillColour });
-      } else {
-        a.Canvas.DrawRectangle(rectangle, style.BorderColour, { FillColour: style.FillColour });
-      }
-    }
-  }
-
-  #drawConnectorLines() {
-    const a = this;
-
-    for (let i=0; i<a.Tasks.length; i++) {
-      if (a.Tasks[i].PredecessorTaskID == null) {
-        continue;
-      }
-
-      if (a.Tasks[i].PredecessorTaskID == null) {
-        continue;
-      }
-
-      const style = ((a.Tasks[i].IsCollated == true) ? a.Options.Row.CollatedTask : a.Options.Row.Task);
-      const rectangle = a.#getTaskRectangle(a.Tasks[i], style);
-      const paddingX = (a.Options.Row.CollatedTask.Height + a.Options.BorderWidth);
-      const offsetX = (rectangle.X + paddingX);
-
-      const predecessorTask = a.Tasks.first("ID", a.Tasks[i].PredecessorTaskID);
-      if (predecessorTask == null) {
-        continue;
-      }
-
-      const predecessorStyle = ((predecessorTask.IsCollated == true) ? a.Options.Row.CollatedTask : a.Options.Row.Task);
-      const predecessorRectangle = a.#getTaskRectangle(predecessorTask, predecessorStyle);
-
-      let points = [];
-      points.push({ X: (predecessorRectangle.X + predecessorRectangle.W), Y: (predecessorRectangle.Y + Math.half(predecessorRectangle.H)) });
-      points.push({ X: offsetX, Y: (predecessorRectangle.Y + Math.half(predecessorRectangle.H)) });
-
-      points.push({ X: offsetX, Y: (rectangle.Y - paddingX) });
-      points.push({ X: offsetX, Y: rectangle.Y });
-
-      a.Canvas.DrawLines(points, a.Options.Line.Colour, { LineWidth: a.Options.Line.Width });
-
-      const arrowRectangle = {
-        X: (offsetX - Math.half(a.Options.Line.ArrowSize)),
-        Y: (rectangle.Y - a.Options.Line.ArrowSize),
-        W: a.Options.Line.ArrowSize,
-        H: a.Options.Line.ArrowSize
-      }
-
-      a.Canvas.DrawArrowS(arrowRectangle, a.Options.Line.Colour, { FillColour: a.Options.Line.Colour });
-    }
-  }
-
-  #drawHorizontalLine(y) {
-    const a = this;
-    const width = a.Canvas.Width;
-
-    a.Canvas.DrawHorizontalLine(0, y, width, this.Options.BorderColour);
-  }
-
-  #getTaskRectangle(task, style) {
-    const a = this;
-    const i = (task.Order - 1);
-
-    const rowRectangle = {
-      X: 0,
-      Y: (a.HeaderHeight + (a.Options.Row.Height * i)),
-      W: a.Canvas.Width,
-      H: (a.Options.Row.Height - a.Options.BorderWidth)
-    };
-
-    if (a.Debug) {
-      a.Canvas.DrawRectangle(rowRectangle, "red", {});
-    }
-
-    if (task.Duration <= 0) {
-      let result = {
-        X: (a.Options.DayWidth * (Date.diffDays(a.StartDate, task.StartDate) + 1)),
-        Y: (a.HeaderHeight + (a.Options.Row.Height * i) + Math.half(rowRectangle.H - style.Height)),
-        W: style.Height,
-        H: style.Height
-      };
-
-      result.X += Math.half(a.Options.DayWidth - (style.Height + a.Options.BorderWidth));
-
-      return result;
-    } else {
-      return {
-        X: (a.Options.DayWidth * (Date.diffDays(a.StartDate, task.StartDate) + 1)),
-        Y: (a.HeaderHeight + (a.Options.Row.Height * i) + Math.half(rowRectangle.H - style.Height)),
-        W: (a.Options.DayWidth * task.Duration),
-        H: style.Height
-      };
-    }
-  }
-
 }
 
 
diff --git a/src/project/project.js b/src/project/project.js
index 600967f..3d05cf0 100644
--- a/src/project/project.js
+++ b/src/project/project.js
@@ -9,7 +9,7 @@ class Project {
     const a = this;
     const _options = Object.assign(a.DefaultOptions, options);
 
-    a.Debug = true;
+    a.Debug = false;
     a.Project = _options;
     a.Tasks = [];
   }
diff --git a/src/project/project.scss b/src/project/project.scss
index bd1f5ce..378de34 100644
--- a/src/project/project.scss
+++ b/src/project/project.scss
@@ -117,17 +117,25 @@
   }
 
 
-  .gantt-chart {
-    border-color: #B8B8B8;
-    border-style: solid;
-    border-width: 1px;
-    overflow: hidden;
-    scrollbar-width: thin;
-    scrollbar-color: #CDCDCD #F0F0F0;
-  }
+}
 
-  .gantt-chart.scroll-x {
+
+.gantt-chart {
+  border-color: #B8B8B8;
+  border-style: solid;
+  border-width: 1px;
+  overflow: hidden;
+  scrollbar-width: thin;
+  scrollbar-color: #CDCDCD #F0F0F0;
+
+
+  &.scroll-x {
     overflow-x: scroll !important;
   }
 
-}
\ No newline at end of file
+  canvas {
+    display: block;
+    position: relative;
+  }
+}
+
diff --git a/src/references/canvas-container.js b/src/references/canvas-container.js
new file mode 100644
index 0000000..f8133dd
--- /dev/null
+++ b/src/references/canvas-container.js
@@ -0,0 +1,229 @@
+class CanvasContainer {
+
+  constructor(el) {
+    const a = this;
+
+    a.el = el;
+
+    a.Layer = [];
+    a.BorderWidth = 2;
+    a.ScrollbarWidth = 11;
+    a.Padding = {
+      Top: 0,
+      Right: 0,
+      Bottom: 0,
+      Left: 0
+    };
+    a.EnableDock = true;
+
+    a.#initialiseComponents();
+  }
+
+  #initialiseComponents() {
+    const a = this;
+
+    a.ClearLayers();
+
+    // a.Invalidate();
+    // a.Clear();
+  }
+
+
+  get FlowContainer() {
+    return this.el.getElementsByTagName("div")[0];
+  }
+
+  get Height() {
+    const a = this;
+
+    if (a.Layer.length <= 0) {
+      return 0;
+    }
+
+    return Document.getHeight(a.Layer[0].el);
+  }
+
+  set Height(value) {
+    const a = this;
+
+    // if (a.el != null) {
+    //   a.el.style.height = value + "px";
+    // }
+
+    if (a.FlowContainer != null) {
+      a.FlowContainer.style.height = value + "px";
+    }
+
+    // if (a.CanvasContainer != null) {
+    //   a.CanvasContainer.style.height = value + "px";
+    // }
+
+    // if (a.CanvasContext != null) {
+    //   a.CanvasContext.canvas.height = value;
+    // }
+
+    a.Layer.forEach((e, i) => {
+      e.Height = value;
+    });
+  }
+
+  get Width() {
+    const a = this;
+
+    if (a.Layer.length <= 0) {
+      return 0;
+    }
+
+    return Document.getWidth(a.Layer[0].el);
+  }
+
+  set Width(value) {
+    const a = this;
+
+    // if (a.el != null) {
+    //   a.el.style.width = value + "px";
+    // }
+
+    if (a.FlowContainer != null) {
+      a.FlowContainer.style.width = value + "px";
+    }
+
+    // if (a.CanvasContainer != null) {
+    //   a.CanvasContainer.style.width = value + "px";
+    // }
+
+    // if (a.CanvasContext != null) {
+    //   a.CanvasContext.canvas.width = value;
+    // }
+
+    a.Layer.forEach((e, i) => {
+      e.Width = value;
+    });
+  }
+
+  get Size() {
+    return {
+      W: this.Width,
+      H: this.Height
+    };
+  }
+
+  set Size(value) {
+    this.Width = value.W;
+    this.Height = value.H;
+  }
+
+  get ClientRectangle() {
+    const a = this;
+
+    return {
+      X: a.Padding.Left,
+      Y: a.Padding.Top,
+      W: (a.Width - (a.Padding.Left + a.Padding.Right)),
+      H: (a.Height - (a.Padding.Top + a.Padding.Bottom))
+    };
+  }
+
+  get Rectangle() {
+    const a = this;
+
+    return {
+      X: 0,
+      Y: 0,
+      W: a.Width,
+      H: a.Height
+    };
+  }
+
+
+  Clear() {
+    const a = this;
+
+    // if (a.CanvasContext == null) {
+    //   return;
+    // }
+
+    // a.CanvasContext.clearRect(0, 0, a.CanvasContext.canvas.width, a.CanvasContext.canvas.height);
+
+    a.Layer.forEach((e, i) => {
+      e.Clear();
+    });
+  }
+
+  ClearLayers() {
+    const a = this;
+
+    if (a.el != null) {
+      a.el.innerHTML = "<div class='border'></div>";
+    }
+
+    a.Layer = [];
+
+    a.Invalidate();
+  }
+
+  AddLayer() {
+    const a = this;
+
+    if (a.el == null) {
+      return;
+    }
+
+    const divList = a.el.getElementsByTagName("div");
+    if (divList.length <= 0) {
+      return;
+    }
+
+    // Add another canvas element
+    Document.appendHtml(divList[0], "canvas");
+
+    const canvasList = a.el.getElementsByTagName("canvas");
+    const result = canvasList[(canvasList.length - 1)];
+
+    return result;
+  }
+
+  Invalidate() {
+    const a = this;
+
+    if (a.EnableDock) {
+      a.FlowContainer.style.width = "100%";
+    }
+
+    const w = (a.Layer.length <= 0 ? 0 : Document.getWidth(a.Layer[0].el));
+    const h = (a.Layer.length <= 0 ? 0 : Document.getHeight(a.Layer[0].el));
+
+    if (w > (Document.getWidth(a.FlowContainer) + (a.BorderWidth * 2))) {
+      a.FlowContainer.classList.add("scroll-x");
+      a.FlowContainer.style.height = (h + a.ScrollbarWidth) + "px";
+    } else {
+      a.FlowContainer.classList.remove("scroll-x");
+      a.FlowContainer.style.height = h + "px";
+    }
+
+    a.Layer.forEach(e => {
+      if (typeof(e.Invalidate) != "undefined") {
+        e.Invalidate();
+      }
+    });
+
+    let offsetTop = 0;
+
+    a.Layer.forEach((e, i) => {
+      if (i <= 0) {
+        return;
+      }
+
+      // Correct positon because of position-relative to keep container overflow working
+      const h = Document.getHeight(a.Layer[(i - 1)].el);
+
+      offsetTop += h;
+
+      a.Layer[i].el.style.top = "-" + offsetTop + "px";
+    });
+  }
+
+}
+
+
+export default CanvasContainer;
\ No newline at end of file
diff --git a/src/references/canvas.js b/src/references/canvas.js
index 450907f..d689794 100644
--- a/src/references/canvas.js
+++ b/src/references/canvas.js
@@ -1,19 +1,10 @@
 class Canvas {
-
   constructor(el) {
     const a = this;
 
     a.el = el;
 
     a.BorderWidth = 2;
-    a.ScrollbarWidth = 11;
-    a.Padding = {
-      Top: 0,
-      Right: 0,
-      Bottom: 0,
-      Left: 0
-    };
-    a.EnableDock = true;
 
     a.#initialiseComponents();
   }
@@ -25,48 +16,30 @@ class Canvas {
       return;
     }
 
-    a.el.innerHTML = "<div class='border'><canvas></canvas></div>";
-
-    a.Invalidate();
     a.Clear();
+    a.Invalidate();
   }
 
 
-  get FlowContainer() {
-    return this.el.getElementsByTagName("div")[0];
-  }
-
-  get CanvasContainer() {
-    return this.FlowContainer.getElementsByTagName("canvas")[0];
-  }
-
   get CanvasContext() {
-    return this.CanvasContainer.getContext("2d");
+    return this.el.getContext("2d");
   }
 
   get Height() {
     const a = this;
 
-    if (a.CanvasContainer == null) {
+    if (a.el == null) {
       return 0;
     }
 
-    return a.#getHeight(a.CanvasContainer);
+    return Document.getHeight(a.el);
   }
 
   set Height(value) {
     const a = this;
 
-    // if (a.el != null) {
-    //   a.el.style.height = value + "px";
-    // }
-
-    if (a.FlowContainer != null) {
-      a.FlowContainer.style.height = value + "px";
-    }
-
-    if (a.CanvasContainer != null) {
-      a.CanvasContainer.style.height = value + "px";
+    if (a.el != null) {
+      a.el.style.height = value + "px";
     }
 
     if (a.CanvasContext != null) {
@@ -77,26 +50,18 @@ class Canvas {
   get Width() {
     const a = this;
 
-    if (a.CanvasContainer == null) {
+    if (a.el == null) {
       return 0;
     }
 
-    return a.#getWidth(a.CanvasContainer);
+    return Document.getWidth(a.el);
   }
 
   set Width(value) {
     const a = this;
 
-    // if (a.el != null) {
-    //   a.el.style.width = value + "px";
-    // }
-
-    if (a.FlowContainer != null) {
-      a.FlowContainer.style.width = value + "px";
-    }
-
-    if (a.CanvasContainer != null) {
-      a.CanvasContainer.style.width = value + "px";
+    if (a.el != null) {
+      a.el.style.width = value + "px";
     }
 
     if (a.CanvasContext != null) {
@@ -116,17 +81,6 @@ class Canvas {
     this.Height = value.H;
   }
 
-  get ClientRectangle() {
-    const a = this;
-
-    return {
-      X: a.Padding.Left,
-      Y: a.Padding.Top,
-      W: (a.Width - (a.Padding.Left + a.Padding.Right)),
-      H: (a.Height - (a.Padding.Top + a.Padding.Bottom))
-    };
-  }
-
   get Rectangle() {
     const a = this;
 
@@ -466,23 +420,6 @@ class Canvas {
     a.CanvasContext.fillText(text, x, y);
   }
 
-  Invalidate() {
-    const a = this;
-
-    if (a.EnableDock) {
-      a.FlowContainer.style.width = "100%";
-    }
-
-    if (a.#getWidth(a.CanvasContainer) > (a.#getWidth(a.FlowContainer) + (a.BorderWidth * 2))) {
-      a.FlowContainer.classList.add("scroll-x");
-      a.FlowContainer.style.height = (a.#getHeight(a.CanvasContainer) + a.ScrollbarWidth) + "px";
-    } else {
-      a.FlowContainer.classList.remove("scroll-x");
-      a.FlowContainer.style.height = a.#getHeight(a.CanvasContainer) + "px";
-    }
-
-  }
-
   MeasureText(font, value) {
     const a = this;
 
@@ -500,30 +437,6 @@ class Canvas {
     };
   }
 
-  #getWidth(el) {
-    if (el == null) {
-      return 0;
-    }
-
-    if (typeof(el) == "undefined") {
-      return 0;
-    }
-
-    return (el.offsetWidth || el.innerWidth || el.clientWidth);
-  }
-
-  #getHeight(el) {
-    if (el == null) {
-      return 0;
-    }
-
-    if (typeof(el) == "undefined") {
-      return 0;
-    }
-
-    return (el.offsetHeight || el.innerHeight || el.clientHeight);
-  }
-
 }
 
 
diff --git a/src/references/extensions.dist.js b/src/references/extensions.dist.js
index 2b5bb91..fcc14b6 100644
--- a/src/references/extensions.dist.js
+++ b/src/references/extensions.dist.js
@@ -1,6 +1,6 @@
 /*!
-  * Part of LiteRyzJS v0.1.0.301
+  * Part of LiteRyzJS v0.1.0.397
   * Copyright 2023-2024 Ray Lam (https://www.hiimray.co.uk)
   *
   */
-!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.LiteRyzJS=e():t.LiteRyzJS=e()}(this,(()=>(()=>{var t={814:()=>{Array.isEmpty=function(t){return"array"!=Object.getDataType(t)||t.length<=0},Array.toFlatten=function(t,e,r){for(let n=0;n<t.length;n++)r.push(t[n]),null!=typeof t[n][e]&&t[n][e].length>0&&Array.toFlatten(t[n][e],e,r)},Array.prototype.addRange=function(t){return null==t||t.forEach((t=>{this.push(t)})),this},Array.prototype.any=function(t,e){return this.count(t,e)>0},Array.prototype.copy=function(){return JSON.parse(JSON.stringify(this))},Array.prototype.count=function(t,e){let r=0;for(let n=0;n<this.length;n++)null==t?this[n]==e&&r++:void 0!==this[n][t]&&this[n][t]==e&&r++;return r},Array.prototype.countMany=function(...t){let e=0;return t.forEach((t=>{e+=this.count(t.propName,t.value)})),e},Array.prototype.create=function(t,e){let r=[];for(let n=0;n<t;n++)r.push(e);return r},Array.prototype.flatten=function(t){let e=[];return Array.toFlatten(this,t,e),e},Array.prototype.index=function(t,e){const r=this.indexes(t,e);return r.length<=0?null:r[0]},Array.prototype.indexes=function(t,e){let r=[];for(let n=0;n<this.length;n++)null==t?this[n]==e&&r.push(n):void 0!==this[n][t]&&this[n][t]==e&&r.push(n);return r},Array.prototype.insert=function(t,e){return t<0?this.splice(0,0,e):t>=this.length?this.push(e):this.splice(t,0,e),this},Array.prototype.joinIfNotNullOrWhitespace=function(t){let e="";for(let r=0;r<this.length;r++)String.isNullOrWhitespace(this[r])||(String.isNullOrWhitespace(e)||(e+=t),e+=this[r]);return e},Array.prototype.first=function(t,e){for(let r=0;r<this.length;r++)if(void 0!==this[r][t]&&this[r][t]==e)return this[r];return null},Array.prototype.forEachTree=function(t,e){for(let 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