diff --git a/config/preamble.tex b/config/preamble.tex
index 736a0bffe84c669988bd32a716c5b3236961b9a9..fc317274ec0a591c3c53d9770767321cb51a6792 100644
--- a/config/preamble.tex
+++ b/config/preamble.tex
@@ -25,7 +25,7 @@
 \usepackage{colortbl}
 \usepackage[poster]{tcolorbox}
 \tcbuselibrary{breakable,raster}
-\tcbset{enhanced,colback=white,breakable,arc=6mm,outer arc=1mm}
+\tcbset{enhanced,drop shadow east,colback=white,breakable,arc=6mm,outer arc=1mm}
 
 %%%%%%%%%% Section Headers %%%%%%%%%%