\mode<presentation>


% Requirement
\RequirePackage{tikz}

% Settings
\useinnertheme{trex}
\useoutertheme{trex}
\usecolortheme{trex}
\usefonttheme{trex}


% we remove the navigation symbols and define blocks aspect.
\setbeamertemplate{navigation symbols}{}
\setbeamertemplate{blocks}[rounded][shadow=true]

\mode<all>