\usepackage{xcolor}
\usepackage[most]{tcolorbox}
\definecolor{definitioncolor}{rgb}{0.8,1,0.8}
\definecolor{examplecolor}{rgb}{0.85,0.95,1}
\definecolor{theoremcolor}{rgb}{1,1,0.85}
\definecolor{proofcolor}{rgb}{0.95,0.95,0.90}
