@@ -1,7 +1,7 @@
-\documentclass{article}
+\documentclass[a4paper,]{article}
\usepackage{lmodern}
\usepackage[T1]{fontenc}
-\usepackage{geometry}
+\usepackage[a4paper,left=1cm,right=1cm,top=1cm,bottom=1cm]{geometry}
\usepackage{array}
\usepackage{listings} % Para insertar codigo
\usepackage[usenames,dvipsnames]{color} % Colores custom
