'In MS Excel, charts can be formatted and customised to make them more attractive and meaningful.' Explain the procedure to change the shape style of a chart element. Also state various shape fill options available to the user for enhancing the appearance of a chart.

Changing the shape style on the format tab in the shape styles group do one of the following .  To see all available shape styles click the more button  To apply a pre-defined shape style, in the shape style box click the style that we want.  To apply different shape fill, click shape fill and then do one of the following.  To use a different fill colour, under theme colours or standard colours, left click the select colour.  To remove the colour from the selected chart element click No Fill.  To use a fill colour that is not available under theme colours or standard colours click more fill colours . In the colours dialog box, specify the colour that we want to use on the standard or custom tab and then click OK. Custom fill colours are added under Recent Colours can also be used.  To fill the shape with a picture, click picture. In the Insert Picture dialog box, click the picture to use and then click Insert.  To use a gradient effect for the selected fill colour, click Gradient and then under variations click the gradient style to be used. For additional gradient styles, click more gradients and then in the fill category, click gradient option that to use  To use texture fill. Click texture.