diff --git a/tex/beamerSetup.sty b/tex/beamerSetup.sty
new file mode 100644
index 0000000..fb37e57
--- /dev/null
+++ b/tex/beamerSetup.sty
@@ -0,0 +1,5 @@
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{beamer-setup}
+
+\usepackage{zxjatype}
+\usetheme{Pittsburgh}
diff --git a/tex/preamble.sty b/tex/preamble.sty
index 44153d6..ecee0a2 100644
--- a/tex/preamble.sty
+++ b/tex/preamble.sty
@@ -1,5 +1,8 @@
+\NeedsTeXFormat{LaTeX2e}
 \ProvidesPackage{mypreamble}
 
+\usepacakge[backend=biber]{biblatex}
+
 \usepackage{fontspec}
 \usepackage[mono=false]{libertine}
 \usepackage{noto}
@@ -42,6 +45,7 @@
     showtabs=true,
     breakatwhitespace=true,
     frame=single,
-    framexleftmargin=5mm
+    framexleftmargin=10mm
 }
+\lstset{style=mystyle}