title: Use CSS class in DOT NET High Chart to change PlotOptionsBar
body: <p>I am using Stacked Bar chart from Dot Net High Chart,
  i want to use <strong>CSS</strong> to change Box of bar chart to Triangle , 
  i tried in Formatter but its not working.
  i am using ASP.NET and c# 
  where I can use CSS??
  any other way to do it??
  <img src="https://i.stack.imgur.com/AlRyR.png" alt="i want to do this."></p>
  
  <p>here is my code of chart </p>
  
  <pre><code>.SetPlotOptions(new PlotOptions
  
  
                {
                    Bar = new PlotOptionsBar
                    {
                        Stacking = Stackings.Percent,
                        BorderWidth = 2,
                        BorderColor = System.Drawing.Color.Coral,
                        Shadow = true,
                        DataLabels = new PlotOptionsBarDataLabels
                        {
                            Enabled = true,
                            Formatter = "function() { return this.series.name; }",
                            Color = System.Drawing.Color.Black,
                            Style = "fontSize: '13px', fontFamily: 'Verdana', fontBold: 'true', color: 'Black'"
  
                        },
  
                        PointWidth = 35,
  
                        Point = new PlotOptionsBarPoint { },
                    }
  
  
                })
  </code></pre>