diff --git a/trex.org b/trex.org
index a386c73..6ada35c 100644
--- a/trex.org
+++ b/trex.org
@@ -1,5 +1,7 @@
 #+TITLE: TREX Configuration file
 #+STARTUP: latexpreview
+#+SETUPFILE: docs/theme.setup
+
 
 All the quantities are saved in atomic units.
 The dimensions of the arrays in the tables below are given in