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How to change line width of a column in table? I colored the table and some column lines aren't appearing, It's so tight that only with zoom it appears

    \chapter{Product Backlog}
        % Table generated by Excel2LaTeX from sheet 'Plan1'

          {\bf ID} & {\bf Users Stories} & {\bf Tempo Previsto} & {\bf Status} \\

        \hline \rowcolor{cImplementado}
                 1 & Como professor, eu quero decidir quais compromissos são públicos ou privados para manter sigilo. &         10 & Implementado \\

        \hline \rowcolor{cImplementado}
                 2 & Como professor, eu quero a partir de uma disciplina cadastrar um plano de ensino com o programa e as bibliografias suplementares para as disciplinas que eu vou ministrar. &         40 & Implementado \\

        \hline \rowcolor{cImplementado}
                 3 & Como professor, eu quero cadastrar meus compromissos no sistema para que todos saibam quando não posso agendar outro compromisso. &         40 & Implementado \\

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closed as too localized by lockstep, Kurt, diabonas, Stefan Kottwitz Oct 11 '12 at 22:05

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For a global line width modification, \setlength{\arrayrulewidth}{1pt} works. – Werner Sep 17 '12 at 23:27
Can we see a minimal document with a simple table showing the way you apply color and the problematic lines? – Gonzalo Medina Sep 17 '12 at 23:31
@GonzaloMedina I just updated with an example – Rafael Sep 18 '12 at 0:01
@Rafael perhaps it's just a viewer issue? – Gonzalo Medina Sep 18 '12 at 0:50
@GonzaloMedina Well I guess so, I tested it on texStudio viewer and viewing generated PDF – Rafael Sep 18 '12 at 0:57

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