Added generated css files to gitignore
diff --git a/.gitignore b/.gitignore
index 4ec3dcc..2083af5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,3 +13,5 @@
 .idea/*
 *.iml
 npm-debug.log
+xos/core/static/*.css
+!xos/core/static/xos.css