%\documentclass{beamer}


\documentclass[xcolor=dvipsnames]{beamer}
\usecolortheme[named=Gray]{structure}
\useoutertheme{infolines}
\usetheme[height=7mm]{Rochester}
%這裡的“height=7mm”是指每張投影片標題的高度。  
\setbeamertemplate{items}[circle]

\setbeamertemplate{blocks}[rounded][shadow=true]
%\usetheme{CambridgeUS}




\begin{document}

\title{1111}
\author{22222}
\institute[NTHU]{NTHU}
\date{33333}
\begin{frame}
\titlepage
\end{frame}


\begin{frame}
\frametitle{3245678}
page test 1

This is the most \alert{IMPORTANT}。

\color<2>{green}{GREENGREENGREEN}
\end{frame}

\begin{frame}
\frametitle{Title 2}
page test 2
1...
\pause
22...
\pause
333!

\end{frame}


\begin{frame}
\begin{itemize}
\item<1-> ist
\item<2-> 2nd
\item<3-> 3rd
\end{itemize}
\hyperlink{here}{\beamerbutton}{gogogo car}
\end{frame}

\begin{frame}
\begin{block}{Small underline}
Try the way of a block
\end{block}
\begin{alertblock}{Big underline}
IMPORTANT
\end{alertblock}
\end{frame}




\end{document}