Material Design Beamer theme.

beamerthemematerial.sty

% Copyright 2016 by Christoph Walsh
%
% This file may be distributed and/or modified
%
% 1. under the LaTeX Project Public License and/or
% 2. under the GNU Public License.

% Used material from:
% https://github.com/edasubert/beamerMaterialDesign and
% http://ctan.mackichan.com/macros/latex/contrib/beamer/base/themes/outer/beamerouterthememiniframes.sty

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% HOW TO USE:                                                                  %
% Add \usetheme{material} to the preamble of your beamer document with this    %
% file in your path or some directory as your beamer file                      %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\mode<presentation>

%%%%%%%%%%%%%%%%
% Requirements %
%%%%%%%%%%%%%%%%
\RequirePackage{tikz}
\RequirePackage{xcolor}
\RequirePackage[sfdefault, rm]{roboto}
\RequirePackage[many]{tcolorbox}

%%%%%%%%%%%%%%%%%%
% Define colours %
%%%%%%%%%%%%%%%%%%
\definecolor{textPrimary} {HTML}{FFFFFF}
\definecolor{textAccent}  {HTML}{FFFFFF}
\definecolor{text}        {HTML}{000000}
\setbeamercolor*{normal text}{fg=text}

\definecolor{shadow}{HTML}{000000}
\definecolor{BGgrey01}{HTML}{E0E0E0}
\definecolor{BGgrey02}{HTML}{F5F5F5}
\definecolor{BGgrey03}{HTML}{FAFAFA}
\definecolor{BGgrey04}{HTML}{FFFFFF}


% Indigo & Pink
\definecolor{primary} {HTML}{3F51B5}
\definecolor{primaryL}{HTML}{C5CAE9}
\definecolor{primaryD}{HTML}{303F9F}

\definecolor{accent}{HTML} {FF4081}
\definecolor{accentL}{HTML}{FF80AB}
\definecolor{accentD}{HTML}{F50057}

\setbeamercolor*{title}{fg=textPrimary}
\setbeamercolor*{author}{fg=textPrimary}
\setbeamercolor*{date}{fg=textPrimary}
\setbeamercolor*{item}{fg=accent}

\setbeamertemplate{navigation symbols}{}

\setbeamerfont*{title}{size=\Large}
\setbeamerfont*{author}{size=\large}
\setbeamerfont*{date}{size=\normalsize}
\setbeamerfont*{frametitle}{size=\large}

%%%%%%%%%%%
% Top bar %
%%%%%%%%%%%
\setbeamertemplate{background}{
  \begin{tikzpicture}
  \useasboundingbox (0,0) rectangle(\the\paperwidth,\the\paperheight);
  \fill[color=BGgrey03] (0,0) rectangle(\the\paperwidth,\the\paperheight);
  \fill[color=primaryD] (0,\the\paperheight)
    rectangle(\the\paperwidth,0.9\paperheight);
  \ifx\insertframetitle\@empty
     \ifnum\thepage>1\relax%
       \fill[color=BGgrey03] (0,0) rectangle(\the\paperwidth,\the\paperheight);
     \fi
   \fi
  \end{tikzpicture}
}

%%%%%%%%%%%%%%%%%%%%%%%%
% Section name bubbles %
%%%%%%%%%%%%%%%%%%%%%%%%
\setbeamercolor{section in head/foot}{fg = textPrimary, bg = BGgrey03}
\setbeamercolor{subsection in head/foot}{fg = textPrimary, bg = BGgrey03}
\setbeamertemplate{headline}{%
  \begin{beamercolorbox}{white}
    \insertnavigation{\paperwidth}%
    \vspace{-10pt}
  \end{beamercolorbox}%
}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Slide counter on the bottom right %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\setbeamertemplate{footline}[frame number]

%%%%%%%%%%%%%%
% Title page %
%%%%%%%%%%%%%%
\defbeamertemplate*{title page}{material}[1][]
{
  \makebox[\linewidth][c]{%
  \begin{minipage}[t][\paperheight]{\paperwidth}
    \raggedright
    \begin{tcolorbox}[
      colback=primary,
      enhanced,
      sharpish corners=all,
      boxrule=0mm,
      coltext=textPrimary,
      fuzzy shadow={0mm}{-0.6mm}{0mm}{0.2mm}{shadow!40!BGgrey03}, % bottomSmall
      fuzzy shadow={0mm}{-0.2mm}{0mm}{0.2mm}{shadow!20!BGgrey03}, % bottomBig
      fuzzy shadow={0mm}{ 0.6mm}{0mm}{0.2mm}{shadow!40!primary}, % topSmall
      fuzzy shadow={0mm}{ 0.2mm}{0mm}{0.2mm}{shadow!20!primary}, % topBig
      width=\paperwidth,
      height=0.6\paperheight,
      flushright upper,
      valign=bottom,
      boxsep=0.5cm]
      \textrm{\usebeamerfont{title} \inserttitle}\\~\\
      \textrm{\usebeamerfont{author}\insertauthor}\\~\\
      \textrm{\usebeamerfont{date}\insertdate}
    \end{tcolorbox}
  \end{minipage}%
  }%
  \vfill
}

%%%%%%%%%%%%%%%%%%%%%
% Itemize/Enumerate %
%%%%%%%%%%%%%%%%%%%%%
\setbeamertemplate{enumerate items}[circle]
\setbeamertemplate{itemize items}{\Large $\bullet$}
\setbeamertemplate{sections/subsections in toc}[circle]

%%%%%%%%%%%%%%%
% Frame title %
%%%%%%%%%%%%%%%
\defbeamertemplate*{frametitle}{material}[1][]
{
  \makebox[\linewidth][c]{%
  \begin{minipage}[t]{\paperwidth}
    \raggedright
    \begin{tcolorbox}[
      colback=primary,
      enhanced,
      sharpish corners=all,
      boxrule=0mm,
      coltext=textPrimary,
      fuzzy shadow={0mm}{-0.9mm}{0mm}{0.2mm}{shadow!40!BGgrey03}, % bottomSmall
      fuzzy shadow={0mm}{-0.8mm}{0mm}{0.2mm}{shadow!20!BGgrey03}, % bottomBig
      fuzzy shadow={0mm}{ 0.6mm}{0mm}{0.2mm}{shadow!40!primary}, % topSmall
      fuzzy shadow={0mm}{ 0.5mm}{0mm}{0.2mm}{shadow!20!primary}, % topBig
      width=\paperwidth,
      boxsep=2mm]
      \ifx\insertframesubtitle\@empty%
        {\usebeamerfont{frametitle} \insertframetitle}
      \else%
        {\usebeamerfont{frametitle} \insertframetitle}
        {\usebeamerfont{framesubtitle} \insertframesubtitle}
      \fi
    \end{tcolorbox}
  \end{minipage}%
  }%
}

%%%%%%%%%%%%%%%%%%%%%%%
% theorem environment %
%%%%%%%%%%%%%%%%%%%%%%%

\setbeamertemplate{theorem begin}
{%
  \normalfont\begin{cardTitle}{\inserttheoremname\inserttheoremnumber%
    \ifx
      \inserttheoremaddition\@empty
    \else
      (\inserttheoremaddition)
    \fi}%
}
\setbeamertemplate{theorem end}{\end{cardTitle}}

%%%%%%%%%%%%%%%%%%%%
% card environment %
%%%%%%%%%%%%%%%%%%%%

\newenvironment{card}{%
  \begin{tcolorbox}[
    colback=BGgrey04,
    colbacktitle=primary, %
    enhanced,
    sharpish corners=all,%
    fuzzy shadow={0mm}{ 0.9mm}{ 0.6mm}{0.2mm}{shadow!20!BGgrey03}, % top
    fuzzy shadow={0mm}{-0.6mm}{-0.1mm}{0.2mm}{shadow!40!BGgrey03}, % bottomSmall
    fuzzy shadow={0mm}{-0.2mm}{-0.2mm}{0.2mm}{shadow!20!BGgrey03}, % bottomBig
    title filled,
    boxrule=0mm,
    left=6mm,
    right=6mm,
    top=6mm,
    bottom=6mm,
    middle=4mm,
    segmentation code={
      \path[draw=BGgrey01](segmentation.west) -- (segmentation.east);}]%
    }{%
  \end{tcolorbox}%
}

%%%%%%%%%%%%%%%%%%%%%%%%%
% cardTitle environment %
%%%%%%%%%%%%%%%%%%%%%%%%%
\newenvironment{cardTitle}[1]{%
  \begin{tcolorbox}[
    colback=BGgrey04,
    colbacktitle=primary, %
    enhanced,
    sharpish corners=all,%
    fuzzy shadow={0mm}{ 0.9mm}{ 0.6mm}{0.2mm}{shadow!20!BGgrey03}, % top
    fuzzy shadow={0mm}{-0.6mm}{-0.1mm}{0.2mm}{shadow!40!BGgrey03}, % bottomSmall
    fuzzy shadow={0mm}{-0.2mm}{-0.2mm}{0.2mm}{shadow!20!BGgrey03}, % bottomBig
    title filled,
    boxrule=0mm,
    title=#1,
    left=6mm,
    right=6mm,
    top=3mm,
    bottom=6mm,
    middle=4mm,
    toptitle=4mm,
    bottomtitle=3mm,
    segmentation code={
      \path[draw=BGgrey01](segmentation.west) -- (segmentation.east);}]%
    }{%
  \end{tcolorbox}%
}
\mode<all>