# How to modify the following Beamer theme?

I'm using

\documentclass{beamer}
\usepackage{BeamerColor}
\usepackage[english]{babel}

\mode<presentation> {
\usetheme{myown}
\usecolortheme[named=salmon]{structure}
\setbeamercovered{transparent} }

\setbeamercolor{lineup}{bg=salmon}
\setbeamercolor{linemid}{bg=IndianRed2}
\setbeamercolor{linebottom}{bg=LightSteelBlue3}

\begin{document}
title
\end{document}


where \usetheme{myown} is defines as

\useoutertheme[footline=authortitle]{miniframes}
\useinnertheme{rectangles}
\usecolortheme{whale}
\usecolortheme{orchid}

\definecolor{beamer@blendedblue}{rgb}{0.137,0.466,0.741}

\setbeamercolor{structure}{fg=beamer@blendedblue}
\setbeamercolor{titlelike}{parent=structure}
\setbeamercolor{frametitle}{fg=black}
\setbeamercolor{title}{fg=black} \setbeamercolor{item}{fg=black}

{%
\end{beamercolorbox}
\begin{beamercolorbox}[ht=1.7ex,dp=1.125ex,%
\end{beamercolorbox}%
\ifbeamer@theme@subsection%
\end{beamercolorbox}
\begin{beamercolorbox}[ht=1.7ex,dp=1.125ex,%
\end{beamercolorbox}%
\fi%
\end{beamercolorbox}
} \mode <all>

\makeatletter
\DeclareOptionBeamer{compress}{\beamer@compresstrue}
\ProcessOptionsBeamer

\mode<presentation>

% The footline template is a modification of the one used in the
% Torino theme, Copyright 2007 by Marco Barisione
\setbeamercolor*{lineup}{parent=palette primary}
\setbeamercolor*{linemid}{parent=palette secondary}
\setbeamercolor*{linebottom}{parent=palette tertiary}
\mode <all>

% some lengths (the height of the lines)
\newlength{\beamer@decolines@linemid}
\setlength{\beamer@decolines@linemid}{.015\paperheight}

\newlength{\beamer@decolines@lineup}
\setlength{\beamer@decolines@lineup}{.025\paperheight}

\newlength{\beamer@decolines@linebottom}
\setlength{\beamer@decolines@linebottom}{.01\paperheight}

% String used between the current page and the total page count.
\def\beamer@decolines@pageofpages{/}

\defbeamertemplate*{footline}{decolines theme}
{
\leavevmode%
% First line.
\hbox{%
\begin{beamercolorbox}[wd=.8\paperwidth,ht=\beamer@decolines@lineup,dp=0pt]{lineup}%
\end{beamercolorbox}%
\begin{beamercolorbox}[wd=.2\paperwidth,ht=\beamer@decolines@lineup,dp=0pt,right]{}%
\end{beamercolorbox}%
} %
% Second line.
\hbox{%
\begin{beamercolorbox}[wd=\paperwidth,ht=\beamer@decolines@linemid,dp=0pt]{linemid}%
\end{beamercolorbox}%
} %
% Third line.
\hbox{%
\begin{beamercolorbox}[wd=.9\paperwidth,ht=\beamer@decolines@linebottom,dp=0pt]{linebottom}%
\end{beamercolorbox}%
\begin{beamercolorbox}[wd=.1\paperwidth,ht=\beamer@decolines@linebottom,dp=0pt]{}%
\end{beamercolorbox}%
}%
}
\makeatother


and the question is how to modify the theme to get the two top lines in the same color as is used down, that is the first one salmon and the second one IndianRed2.

Set the two colors (I assume that the color names used are available in your system):

\setbeamercolor{top}{bg=salmon}
\setbeamercolor{bottom}{bg=IndianRed2}%


and then change the definition og the headline template to

\setbeamertemplate{headline}
{%
\end{beamercolorbox}
\begin{beamercolorbox}[ht=1.7ex,dp=1.125ex,%
leftskip=.3cm,rightskip=.3cm plus1fil]{top}
\end{beamercolorbox}%
\ifbeamer@theme@subsection%
\end{beamercolorbox}
\begin{beamercolorbox}[ht=1.7ex,dp=1.125ex,%
leftskip=.3cm,rightskip=.3cm plus1fil]{bottom}

• @Laura You need to redefine the appropriate template(s); for example, for the color of the section names in the headline you can use something like \setbeamercolor{section in head/foot}{fg=black}. – Gonzalo Medina Aug 24 '12 at 18:20
• @Laura the problem is that I don't see any line there! The only line I see above September in the yellow part is a line belonging to the grid (drawn manually by Andrew), not to the beamer theme. Do you perhaps want to discuss this in a chat room? Comments are not the best place to place code. – Gonzalo Medina Aug 24 '12 at 18:34