title: Gradient in column highcharts
body: <p>I am plotting a column chart using highcharts but what I want is the color to be gradient across all the columns, i.e. each column should have a different color.</p>
  
  <p>I am able to put n-gradient in n-column but not a single across gradient across the complete graph.</p>
  
  <p>Attaching the brief idea:
  <a href="https://i.stack.imgur.com/2svir.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/2svir.png" alt="enter image description here"></a></p>