rounded border mit hacks aber besser als nix

wahlergebnis.tex

@@ -17,6 +17,7 @@
 \usepackage[margin=0.5in]{geometry}
 \usetikzlibrary{arrows}
 \usetikzlibrary{shadows}
+\usetikzlibrary{calc} % für ($ ... $)
 \pagestyle{empty}
 
 
@@ -59,13 +60,16 @@
   {
     \pgfmathsetmacro{\lastarc}{\curarc}
     \pgfmathsetmacro{\curarc}{\lastarc+3.6*\percent/2}
-    \pgfmathsetmacro{\startarc}{\lastarc+1}
-    \pgfmathsetmacro{\endarc}{\curarc-1}
+    \pgfmathsetmacro{\startarc}{\lastarc}
+    \pgfmathsetmacro{\endarc}{\curarc}
     \pgfmathsetmacro{\middle}{0.5*\startarc+0.5*\endarc}
-    \draw[fill=\curcolor, draw=none]
-        (\startarc:\smallradius cm) arc (\startarc:\endarc:\smallradius cm)
-        -- (\endarc:\radius cm) arc (\endarc:\startarc:\radius
-        cm) -- cycle
+    \def\mypath{(\startarc:\smallradius cm)
+        arc (\startarc:\endarc:\smallradius cm)
+        -- (\endarc:\radius cm)
+        arc (\endarc:\startarc:\radius
+        cm) -- cycle}
+    \draw[fill=\curcolor, draw=boxbg,rounded corners=.2cm,line width=.1cm]
+        \mypath
       node at (\middle:0.5*\radius+0.5*\smallradius) {{\bf\color{percentcolor}\percent \%}};
     %\draw (\middle:\radius) -- (\middle:0.5+\radius) node[\anchor] {\name};
     %\draw (\middle:1.1*\radius) node[\anchor] {\color{\curcolor}\name};
@@ -86,10 +90,11 @@
 \definecolor{tangobrownlight}{HTML}{E9B96E}
 \definecolor{tangobrown}{HTML}{C17D11}
 \definecolor{tangobrowndark}{HTML}{8F5902}
+\definecolor{boxbg}{HTML}{E9B96E}
 
 \newcommand{\twbox}[2]{%
 \begin{tikzpicture}%
-\draw node[draw=tangobrowndark,fill=tangobrown!10,%
+\draw node[draw=tangobrowndark,fill=boxbg,%
            very thick,rounded corners,%
            inner sep=2ex]%
 {%