\\documentclass[11pt,a4paper]{article}
\\usepackage[indonesian]{babel}
\\usepackage{geometry}
\\usepackage{amsmath}
\\usepackage{amsymb}
\\usepackage{graphicx}
\\usepackage{xcolor}
\\usepackage{background}
\\begin{document}
<isi naskah>
\\end{document}