title: change the color of a cell in a full calendar
body: <p>I need to change the color of a cell of a arshaw full calendar.</p>
  
  <p>My requirement is :There should be a same color for a td cell for list of holidays provided by a company.
  There should be a same color for a td cell for list of holidays taken by an employee.</p>
  
  <p>How we can achieve this.I am able to change the color of events but not the cell.</p>
  
  <p>Also If we can change the color of a day inside a cell according to holidays and leave .</p>