diff --git a/beamercolorthemeut.sty b/beamercolorthemeut.sty
index 96afa41..e0915e7 100644
--- a/beamercolorthemeut.sty
+++ b/beamercolorthemeut.sty
@@ -50,19 +50,19 @@
 \setbeamercolor{frametitle line}{fg=utgold}
 
 \setbeamercolor{block title}{fg=white, bg=utlightblue}
-\setbeamercolor{block body}{fg=normal text.fg, bg=utlightblue!20}
+\setbeamercolor{block body}{fg=normal text.fg, bg=utblack!10}
 \setbeamercolor{block line top}{fg=}
 \setbeamercolor{block line middle}{fg=utlightblue}
 \setbeamercolor{block line bottom}{fg=utlightblue}
 
 \setbeamercolor{block title alerted}{parent={block title}, bg=utred}
-\setbeamercolor{block body alerted}{fg=utred, bg=utred!10}
+\setbeamercolor{block body alerted}{fg=normal text.fg, bg=utgreen!20}
 \setbeamercolor{block line alerted top}{fg=}
 \setbeamercolor{block line alerted middle}{fg=utred}
 \setbeamercolor{block line alerted bottom}{fg=utred}
 
 \setbeamercolor{block title example}{parent={block title}, bg=utgreen}
-\setbeamercolor{block body example}{fg=normal text.fg, bg=utgreen!30}
+\setbeamercolor{block body example}{fg=normal text.fg, bg=utgreen!20}
 \setbeamercolor{block line example top}{fg=}
 \setbeamercolor{block line example middle}{fg=utgreen}
 \setbeamercolor{block line example bottom}{fg=utgreen}
@@ -73,8 +73,8 @@
 \setbeamercolor{theorem line middle}{fg=utorange}
 \setbeamercolor{theorem line bottom}{fg=utorange}
 
-\setbeamercolor{message}{fg=utred, bg=utgold}
-\setbeamercolor{message symbol}{fg=utblack}
+\setbeamercolor{message}{fg=utred, bg=white}
+\setbeamercolor{message symbol}{fg=utgold}
 \setbeamercolor{message line top}{fg=}
 \setbeamercolor{message line bottom}{fg=}
 
diff --git a/beamerthemelines.sty b/beamerthemelines.sty
index bbc4c77..d846e8c 100644
--- a/beamerthemelines.sty
+++ b/beamerthemelines.sty
@@ -50,7 +50,7 @@
 \mode<presentation>
 
 % margins:
-\setbeamersize{text margin left=1ex,text margin right=1ex}
+\setbeamersize{text margin left=1.5ex,text margin right=1.5ex}
 
 % no navigation symbols:
 \defbeamertemplate{navigation symbols}{empty}{}
@@ -764,9 +764,9 @@
 \setbeamerfont{frametitle}{size=\LARGE}
 \setbeamerfont{framesubtitle}{size=\large}
 
-\setbeamerfont{title}{size=\LARGE, shape=\bfseries}
-\setbeamerfont{subtitle}{size=\Large, shape=\bfseries}
-\setbeamerfont{author}{size=\Large}
+\setbeamerfont{title}{size=\Large, shape=\bfseries}
+\setbeamerfont{subtitle}{size=\large, shape=\bfseries}
+\setbeamerfont{author}{size=\large}
 \setbeamerfont{institute}{size=\normalsize}
 \setbeamerfont{date}{size=\tiny}
 
diff --git a/beamerthemeut.sty b/beamerthemeut.sty
index e2660f6..fd1956c 100644
--- a/beamerthemeut.sty
+++ b/beamerthemeut.sty
@@ -62,7 +62,7 @@
 \setbeamertemplate{block theorem end}[lines]{0.75pt}
 
 \setbeamertemplate{title page}[leftlines]          % leftlines, centerlines
-\setbeamertemplate{title page graphic line}[default][1.4ex]
+\setbeamertemplate{title page graphic line}[default][1ex]
 \setbeamertemplate{title page title line}[default][0.75pt]
 \setbeamertemplate{title page author and}[line]    % space, comma, line, and
 \setbeamertemplate{title page institute and}[line] % default, space, comma, line
@@ -74,7 +74,7 @@
 \setbeamertemplate{subsection name separator}[text][2pt] % space, text
 
 \setbeamerfont{footline}{size=\tiny}
-\setbeamerfont{message}{size=\normalsize}
+\setbeamerfont{message}{size=\normalsize, series=\bfseries}
 
 \usecolortheme{ut}
 
diff --git a/ut-example.tex b/ut-example.tex
index 516f6d0..babb36c 100644
--- a/ut-example.tex
+++ b/ut-example.tex
@@ -6,7 +6,7 @@
 \institute[T\"ubingen]{Neuroethology, University of T\"ubingen}
 \date[2021]{March 2021}
 \logo{\includegraphics[height=3.5ex]{UT_BM_Rot_RGB}}
-\titlelogo{\includegraphics[height=6ex]{UT_MNF_RGB}}
+\titlelogo{\includegraphics[height=5ex]{UT_MNF_RGB}}
 \titlegraphic{\includegraphics[width=\textwidth]{efishtitle}}
 
 \setbeamerfont{block body}{size=\small}