I have not seen this outline style in any of the Beamer themes.
1 Answer
\documentclass{beamer}
\useoutertheme{miniframes}
\begin{document}
\frame{test}
\section{Intro}
\subsection{}
\frame{a}
\frame{b}
\end{document}
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Sign up to join this community\documentclass{beamer}
\useoutertheme{miniframes}
\begin{document}
\frame{test}
\section{Intro}
\subsection{}
\frame{a}
\frame{b}
\end{document}
\useoutertheme{miniframes}