I am trying to run the below code from this link:
It is suppose to give this table: However I got LaTex Error: File 'xcolor.sty' not found.
Please advise !
\rowcolors{3}{green!80!yellow!50}{green!70!yellow!40}
\begin{tabular}{ |p{3cm}|p{3cm}|p{3cm}| }
\hline
\multicolumn{3}{|c|}{Country List} \
\hline
Country Name or Area Name& ISO ALPHA 2 Code &ISO ALPHA 3 \
\hline
Afghanistan & AF &AFG \
Aland Islands & AX & ALA \
Albania &AL & ALB \
Algeria &DZ & DZA \
American Samoa & AS & ASM \
Andorra & AD & AND \
Angola & AO & AGO \
\hline
\end{tabular}