Export a Generic List Collection to Excel file with applying styles

Hi

I need a list to export in excel and i need the following to achieve in the exported excell

                     -  I need the header of the excel with font bold and size should be 14px of font.

                     -  Other Cell try should be 12px of the font

                     - Right align the particular column in the excel

Please let me know whethere i can able to achieve this.

Thanks.