diff --git a/lib/cr.sty b/lib/cr.sty
index a1d97d4..b282f70 100644
--- a/lib/cr.sty
+++ b/lib/cr.sty
@@ -5,6 +5,15 @@
 \usepackage{xparse}
 \usepackage{hyperref}
 
+\hypersetup{
+  colorlinks=true,
+  linkcolor=black,
+  filecolor=magenta,      
+  urlcolor=blue,
+  pdftitle={Overleaf Example},
+  pdfpagemode=FullScreen,
+}
+
 \graphicspath{{images/}}
 \geometry{
   a4paper,