% This file contains some settings , it need to be input by your tex file.

\usepackage[english]{babel}
% add sidebar on the right
\useoutertheme[width=3\baselineskip,right]{sidebar}
% TOC(table of content) using ordered list 
\setbeamertemplate{section in toc}[sections numbered]
% unordered list using solid point
\setbeamertemplate{itemize item}{$\bullet$}
% set frame title for each page
\setbeamertemplate{frametitle}
  {\vspace{-0.5cm}
   \insertframetitle
   \vspace{-0.5cm}}
% delete original navigation
\setbeamertemplate{navigation symbols}{}
% set footline
\makeatother
\setbeamertemplate{footline}
{
  \leavevmode%
  \hbox{%
  \begin{beamercolorbox}[wd=.4\paperwidth,ht=2.25ex,dp=1ex,center]{author in head/foot}%
    \usebeamerfont{author in head/foot}\insertshortauthor
  \end{beamercolorbox}

  \begin{beamercolorbox}[wd=.6\paperwidth,ht=2.25ex,dp=1ex,center]{title in head/foot}%
    \usebeamerfont{title in head/foot}\insertshorttitle\hspace*{13em}
    \insertframenumber{} / \inserttotalframenumber\hspace*{0ex}
  \end{beamercolorbox}}

  \vskip0pt%
}
\makeatletter


% define color
%\definecolor{alizarin}{rgb}{0.82, 0.1, 0.26} % a kind of red
%\definecolor{DarkFern}{HTML}{407428} % a kind of green
%\colorlet{main}{DarkFern!100!white} % first setting way(with color newly defined)
%\colorlet{main}{red!70!black} % second setting way(with internal color by setting gradient)
\definecolor{bistre}{rgb}{0.24, 0.17, 0.12} % a kind of black
\definecolor{mygrey}{rgb}{0.52, 0.52, 0.51} % a kind of grey
\colorlet{text}{bistre!100!white} % from now on, `text` implies the color defined
\colorlet{main}{green!50!black}

% set colors to elements, fg is the color itself, bg is the background color, !num! implies gradient
\setbeamercolor{title}{fg=main}
\setbeamercolor{frametitle}{fg=main}
\setbeamercolor{section in toc}{fg=text}
\setbeamercolor{normal text}{fg=text}
\setbeamercolor{block title}{fg=main,bg=mygrey!14!white}
\setbeamercolor{block body}{fg=black,bg=mygrey!10!white}
\setbeamercolor{qed symbol}{fg=main} % frame after proof
\setbeamercolor{math text}{fg=black}
% footline color
\setbeamercolor{author in head/foot}{fg=black, bg=mygrey!5!white}
\setbeamercolor{title in head/foot}{fg=black, bg=mygrey!5!white}
\setbeamercolor{structure}{fg=main, bg=mygrey!10!white} % set sidebar color

% margin left and right, and fontsize of sidebar
\def\swidth{2.3cm}
\setbeamersize{sidebar width right=\swidth}
\setbeamersize{sidebar width left=\swidth}
\setbeamerfont{title in sidebar}{size=\scriptsize}
\setbeamerfont{section in sidebar}{size=\tiny}