deletions | additions       diff --git a/header.tex b/header.tex  index af9c812..eae9b93 100644  --- a/header.tex  +++ b/header.tex 
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\onlyPDF{\begin{tikzpicture}[baseline=0.1]  \draw[white] (0,0) -- (4 * \yearlength,0);  \draw[ocre, ultra thick] (\beginning * \yearlength,0.25) -- (\ending * \yearlength,0.25);  \end{tikzpicture} & & & &}\onlyHTML{\color{red}export &}\onlyHTML{{\color{red}export}  & as PDF & to see & graph } \tabularnewline }  % define header and footer of table