Minor changes

1 files changed, 6 insertions, 3 deletions

diff --git a/header.tex b/header.tex
index 83d0e93..8433786 100755
--- a/header.tex
+++ b/header.tex
@@ -23,6 +23,7 @@
 \usepackage{subcaption}
 \usepackage{appendixnumberbeamer}
 \usepackage{xparse}
+\usepackage{dsfont}
 \usepackage[makeroom]{cancel}
 \renewcommand{\CancelColor}{\color{red}}
 \usepackage[%
@@ -39,9 +40,11 @@
 \usetikzlibrary{quotes}
 \pgfplotsset{compat=1.17}
 
-\definecolor{darkred}{rgb}{.5,0,0}
-\definecolor{darkgreen}{rgb}{0,.5,0}
-\definecolor{darkblue}{rgb}{0,0,.5}
+\definecolor{linea}{RGB}{211,  94,  60}
+\definecolor{lineb}{RGB}{ 78, 144, 204}
+\colorlet{dark_color}{black!67}
+\tikzstyle{dark} =[very thick, color=dark_color]
+\tikzstyle{green} =[very thick, color=darkgreen]
 
 \newtheorem{proposition}{Proposition}