diff --git a/config/debug_tawashi.ini.in b/config/debug_tawashi.ini.in
index cc6e2c5..56aa2ec 100644
--- a/config/debug_tawashi.ini.in
+++ b/config/debug_tawashi.ini.in
@@ -4,6 +4,7 @@ redis_port = 6379
 redis_mode = inet
 host_name = 127.0.0.1
 host_port = from_downstream
+highlight_css = sh_greenlcd.css
 website_root = @CMAKE_CURRENT_BINARY_DIR@/html
 logging_level = trace
 log_file = @CMAKE_CURRENT_BINARY_DIR@/tawashi.log
diff --git a/src/tawashi/main.cpp b/src/tawashi/main.cpp
index 49352f4..61fa12e 100644
--- a/src/tawashi/main.cpp
+++ b/src/tawashi/main.cpp
@@ -81,6 +81,7 @@ namespace {
 		parSettings.add_default("logging_level", "err");
 		parSettings.add_default("resubmit_wait", "10");
 		parSettings.add_default("log_file", "-");
+		parSettings.add_default("highlight_css", "sh_darkness.css");
 	}
 
 	void print_buildtime_info() {
diff --git a/src/tawashi_implem/pastie_response.cpp b/src/tawashi_implem/pastie_response.cpp
index 6b54310..53db370 100644
--- a/src/tawashi_implem/pastie_response.cpp
+++ b/src/tawashi_implem/pastie_response.cpp
@@ -28,6 +28,11 @@
 namespace tawashi {
 	namespace {
 		const char g_nolang_token[] = "colourless";
+
+		std::string highlight_css_path (const SettingsBag& parSettings) {
+			//TODO: make sure the file exists or throw or do something
+			return parSettings.as<std::string>("highlight_css");
+		}
 	} //unnamed namespace
 
 	PastieResponse::PastieResponse (
@@ -84,7 +89,7 @@ namespace tawashi {
 #endif
 		highlighter.setCanUseStdOut(false);
 		highlighter.setTabSpaces(4);
-		highlighter.setStyleCssFile("sh_darkness.css");
+		highlighter.setStyleCssFile(highlight_css_path(settings()));
 		highlighter.setGenerateLineNumbers(false);
 
 		std::string processed_pastie;