Plantilla LaTeX

\documentclass[12pt]{article}       % 12pt default font size
\usepackage[spanish]{babel}         % spanish language
\usepackage[ddmmyyyy]{datetime}     % datetime formatted
\usepackage[margin=1in]{geometry}   % 1in margin all around
\usepackage{fancyhdr}               % header and footer configuration
\usepackage{newpxtext, newpxmath}   % Palatino font
\usepackage[skip=1em]{parskip}      % paragraph skip space
\usepackage{titlesec}               % replacement for macros related with sections
\usepackage[normalem]{ulem}         % better underline
\usepackage{tabularx}               % to insert tables
\usepackage{float}                  % to insert tables (H)
\usepackage{array}                  % to center with tabularx
\usepackage{float}                  % to place images where you want
\usepackage{graphicx}               % to insert images
\usepackage{xcolor}                 % custom colors
\usepackage{listings}               % to insert code
\PassOptionsToPackage{hyphens}{url}\usepackage{hyperref}

% --- Fancy config ---
\pagestyle{fancy}
\renewcommand{\headrulewidth}{0pt}  % no header rule
\setlength{\headheight}{15pt}       % minimum header height
\fancyhead[L]{}
\fancyhead[R]{\thepage}             % page number upper right corner
\fancyfoot{}                        % empty footer
% --------------------

% --- Hyperref ---
\hypersetup{
    colorlinks=true,
    linkcolor=blue,
    filecolor=magenta,
    urlcolor=cyan,
    pdftitle={Overleaf Example},
    pdfpagemode=FullScreen,
    }
% ----------------

% --- Listings ---
\lstset{
  caption=\lstname,
  label=lst:code,
  basicstyle=\ttfamily\small,
  commentstyle=\color{gray},
  keywordstyle=\color{blue},
  stringstyle=\color{green!60!black},
  showstringspaces=false
  tabsize=2,
  keepspaces=false,
  breaklines=true,
  frame=shadowbox,
  framexleftmargin=5mm,
  framextopmargin=2pt,
  rulesepcolor=\color{gray!50},
  postbreak=\mbox{\textcolor{red}{$\hookrightarrow$}\space},
  escapeinside={(*@}{@*)}
  }
\renewcommand\lstlistingname{Code}
% ----------------

% --- Graphix ---
\graphicspath{ {./images/} }        % images folder/s
% ---------------

\setlength{\parindent}{1.5em}       % indent first line of paragraph

\begin{document}

\begin{titlepage}
    \centering
    \vspace*{1cm}

    % Title
        {\large\textbf{TÍTULO}\par}

    % Subtitle
    {\normalsize\textit{SUBTÍTULO}\par}
    \vspace{13cm}

    % Name
    {\normalsize Nombre y Apellidos\par}
    \vfill

    % Subject
    {\normalsize Asignatura\par}
    \vspace{-7pt}
    % Uni
    {\normalsize Universidad\par}
    \vspace{-7pt}
    % Date
    {\normalsize \today\par}

\end{titlepage}

\thispagestyle{empty}
\clearpage

\tableofcontents
\clearpage

\section{Mi primera sección}
\end{document}