My code is this:
\documentclass[a4paper, 12pt]{article} \usepackage[utf8]{inputenc} \usepackage[lmargin = 2.5cm, rmargin = 2.5cm, tmargin = 2.5cm, bmargin = 3cm]{geometry} \usepackage[english,brazil]{babel} \usepackage{graphicx} \usepackage{amsmath} \usepackage{indentfirst} \usepackage{subfiles} \usepackage{blindtext} \usepackage{color} \usepackage{lipsum} \usepackage{setspace} \usepackage{chngcntr} \usepackage{etoolbox} \usepackage{titlesec} \usepackage{float} \usepackage{tikz} \usepackage{fancyhdr} \usepackage{nomencl} \usepackage{titletoc} \usepackage[toc,page]{appendix} %\usepackage{fontspec} %\setmainfont{Times New Roman} %\usepackage{hyphenat} \hyp{} %\usepackage{sectsty} %0205218599 %\lineskip %\setlength\afterchapskip{18pt} %capítulo começa nas páginas ímpares \setlength{\parindent}{0.75cm} \setstretch{1.5} %\onehalfspacing %espaçamento entre linas \newcommand{\signaturerule}{\rule{30em}{.4pt}} %\renewcommand{\arraystretch}{0.5} \renewcommand{\baselinestretch}{1.5} \setlength{\parskip}{0pt} \setlength{\nomitemsep}{-\parsep} \makenomenclature \usetikzlibrary{shapes,arrows} \setcounter{secnumdepth}{4} \setcounter{tocdepth}{4} %\setlength{\parskip}{0.3cm} (espaço entre os parágrafos) \titleformat{\paragraph} {\normalfont\normalsize\normalfont}{\theparagraph}{1em}{}\fontsize{12}{12} %\titlespacing*{\paragraph} %\patchcmd{\thebibliography}{\section*{\refname}}{}{}{} \titleformat*{\section}{\normalfont\fontfamily{phv}\fontsize{14}{14}\bfseries} \titleformat*{\subsection}{\normalfont\fontfamily{phv}\fontsize{12}{12}\normalfont}{}{}{} \titleformat*{\subsubsection}{\normalfont\fontfamily{phv}\fontsize{12}{12}\normalfont}{}{}{} %nas figura e tabelas, mudar o nome para "FIG." e "TAB.", respectivamente %nas equações, além da numeração colocar o termo "EQ." \counterwithin{figure}{section} \counterwithin{table}{section} \counterwithin{equation}{section} \numberwithin{equation}{section}%{subsubsection} \graphicspath{ {figures/} } \graphicspath{{images/}{../images/}} \newcommand{\ii}{\'{\i}} \newcommand{\ca}{\c{c}\~ao} \newcommand{\co}{\c{c}\~oes} \newcommand{\sectionbreak}{\clearpage} \addto\captionsbrazil{\renewcommand*\contentsname{\centering SUMÁRIO}} \addto\captionsbrazil{\renewcommand*{\listfigurename}{\centering LISTA DE ILUSTRAÇÕES}} \addto\captionsbrazil{\renewcommand*{\listtablename}{\centering LISTA DE TABELAS}} \titlecontents{section}[2.5em]{\addvspace{1em}\bfseries}{\contentslabel{2.9em}}{\hspace*{-2.9em}}{\titlerule*[1pc]{.}\contentspage} %\dottedcontents{section}[2.5em]{\bfseries}{2.9em}{1pc} \dottedcontents{subsection}[2.5em]{}{3.3em}{1pc} \dottedcontents{subsubsection}[2.5em]{}{3.3em}{1pc} \titlecontents{figure}[0em]{\addvspace{1.5em}}{FIG.{\thecontentslabel} \hspace*{1.5em}}{}{\titlerule*[1pc]{$\cdot$}\contentspage} \titlecontents{table}[0em]{\addvspace{1.5em}}{TAB.{\thecontentslabel} \hspace*{1.5em}}{}{ \titlerule*[1pc]{$\cdot$}\contentspage} \renewenvironment{abstract} {\small \begin{center} \bfseries \abstractname\vspace{-.5em}\vspace{0pt} \end{center} \list{}{% \setlength{\leftmargin}{0mm}% <---------- CHANGE HERE \setlength{\rightmargin}{\leftmargin}% }% \item\relax} {\endlist} \begin{document}
Is there someone can help me, please?