diff -r 17e6f46260bd -r f7c84bfa3cee styles/graphics.sty
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/styles/graphics.sty	Mon Nov 10 11:04:33 2025 +0000
@@ -0,0 +1,21 @@
+\usepackage{tikz}
+\usepackage{pgf}
+\usetikzlibrary{positioning}
+\usetikzlibrary{calc}
+\usetikzlibrary{automata}
+\usetikzlibrary{arrows}
+\usetikzlibrary{backgrounds}
+\usetikzlibrary{fit}
+\usepackage{tikz-qtree}
+\usepackage{graphicx} 
+\usepackage{pgfplots}
+
+\pgfplotsset{compat=1.11}
+
+\newenvironment{bubble}[1][]{%
+\addtolength{\leftmargini}{4mm}%
+\begin{tikzpicture}[baseline=(current bounding box.north)]%
+\draw (0,0) node[inner sep=2mm,fill=cream,ultra thick,draw=red,rounded corners=2mm]% 
+\bgroup\begin{minipage}{#1}\raggedright{}}
+{\end{minipage}\egroup;%
+\end{tikzpicture}\bigskip}