diff --git a/include/util/css_reload_helper.hpp b/include/util/css_reload_helper.hpp
index 4da64ec6..4826fc31 100644
--- a/include/util/css_reload_helper.hpp
+++ b/include/util/css_reload_helper.hpp
@@ -2,11 +2,12 @@
 
 #include <functional>
 #include <string>
+#include <unordered_map>
 #include <vector>
 
-#include "glibmm/refptr.h"
 #include "giomm/file.h"
 #include "giomm/filemonitor.h"
+#include "glibmm/refptr.h"
 
 struct pollfd;
 
@@ -20,24 +21,21 @@ class CssReloadHelper {
  protected:
   std::vector<std::string> parseImports(const std::string& cssFile);
 
-  void parseImports(const std::string& cssFile,
-                           std::unordered_map<std::string, bool>& imports);
-
+  void parseImports(const std::string& cssFile, std::unordered_map<std::string, bool>& imports);
 
   void watchFiles(const std::vector<std::string>& files);
 
   bool handleInotifyEvents(int fd);
 
-  bool watch(int inotifyFd, pollfd * pollFd);
+  bool watch(int inotifyFd, pollfd* pollFd);
 
   virtual std::string getFileContents(const std::string& filename);
 
   virtual std::string findPath(const std::string& filename);
 
-  void handleFileChange(
-        Glib::RefPtr<Gio::File> const& file,
-        Glib::RefPtr<Gio::File> const& other_type,
-        Gio::FileMonitorEvent event_type);
+  void handleFileChange(Glib::RefPtr<Gio::File> const& file,
+                        Glib::RefPtr<Gio::File> const& other_type,
+                        Gio::FileMonitorEvent event_type);
 
  private:
   std::string m_cssFile;
diff --git a/src/util/css_reload_helper.cpp b/src/util/css_reload_helper.cpp
index 9bbd0f93..45fd801a 100644
--- a/src/util/css_reload_helper.cpp
+++ b/src/util/css_reload_helper.cpp
@@ -8,10 +8,10 @@
 #include <fstream>
 #include <regex>
 #include <unordered_map>
-#include "glibmm/refptr.h"
-#include "giomm/file.h"
 
 #include "config.hpp"
+#include "giomm/file.h"
+#include "glibmm/refptr.h"
 
 namespace {
 const std::regex IMPORT_REGEX(R"(@import\s+(?:url\()?(?:"|')([^"')]+)(?:"|')\)?;)");
@@ -30,7 +30,7 @@ std::string waybar::CssReloadHelper::getFileContents(const std::string& filename
     return {};
   }
 
-  return std::string((std::istreambuf_iterator<char>(file)), std::istreambuf_iterator<char>());
+  return {(std::istreambuf_iterator<char>(file)), std::istreambuf_iterator<char>()};
 }
 
 std::string waybar::CssReloadHelper::findPath(const std::string& filename) {
diff --git a/test/css_reload_helper.cpp b/test/css_reload_helper.cpp
index ac7b3eb7..01850bc3 100644
--- a/test/css_reload_helper.cpp
+++ b/test/css_reload_helper.cpp
@@ -1,6 +1,6 @@
 #include "util/css_reload_helper.hpp"
+
 #include <map>
-#include <fstream>
 
 #if __has_include(<catch2/catch_test_macros.hpp>)
 #include <catch2/catch_test_macros.hpp>
@@ -9,59 +9,39 @@
 #include <catch2/catch.hpp>
 #endif
 
+class CssReloadHelperTest : public waybar::CssReloadHelper {
+ public:
+  CssReloadHelperTest() : CssReloadHelper("/tmp/waybar_test.css", [this]() { callback(); }) {}
 
-class CssReloadHelperTest : public waybar::CssReloadHelper
-{
-public:
-  CssReloadHelperTest()
-    : CssReloadHelper("/tmp/waybar_test.css", [this]() {callback();})
-  {
-  }
+  void callback() { m_callbackCounter++; }
 
-  void callback()
-  {
-    m_callbackCounter++;
-  }
-
-protected:
-
-  std::string getFileContents(const std::string& filename) override
-  {
+ protected:
+  std::string getFileContents(const std::string& filename) override {
     return m_fileContents[filename];
   }
 
-  std::string findPath(const std::string& filename) override
-  {
-    return filename;
-  }
+  std::string findPath(const std::string& filename) override { return filename; }
 
-  void setFileContents(const std::string& filename, const std::string& contents)
-  {
+  void setFileContents(const std::string& filename, const std::string& contents) {
     m_fileContents[filename] = contents;
   }
 
-  int getCallbackCounter() const
-  {
-    return m_callbackCounter;
-  }
+  int getCallbackCounter() const { return m_callbackCounter; }
 
-private:
+ private:
   int m_callbackCounter{};
   std::map<std::string, std::string> m_fileContents;
 };
 
-TEST_CASE_METHOD(CssReloadHelperTest, "parse_imports", "[util][css_reload_helper]")
-{
-  SECTION("no imports")
-  {
+TEST_CASE_METHOD(CssReloadHelperTest, "parse_imports", "[util][css_reload_helper]") {
+  SECTION("no imports") {
     setFileContents("/tmp/waybar_test.css", "body { color: red; }");
     auto files = parseImports("/tmp/waybar_test.css");
     REQUIRE(files.size() == 1);
     CHECK(files[0] == "/tmp/waybar_test.css");
   }
 
-  SECTION("single import")
-  {
+  SECTION("single import") {
     setFileContents("/tmp/waybar_test.css", "@import 'test.css';");
     setFileContents("test.css", "body { color: red; }");
     auto files = parseImports("/tmp/waybar_test.css");
@@ -71,8 +51,7 @@ TEST_CASE_METHOD(CssReloadHelperTest, "parse_imports", "[util][css_reload_helper
     CHECK(files[1] == "test.css");
   }
 
-  SECTION("multiple imports")
-  {
+  SECTION("multiple imports") {
     setFileContents("/tmp/waybar_test.css", "@import 'test.css'; @import 'test2.css';");
     setFileContents("test.css", "body { color: red; }");
     setFileContents("test2.css", "body { color: blue; }");
@@ -84,8 +63,7 @@ TEST_CASE_METHOD(CssReloadHelperTest, "parse_imports", "[util][css_reload_helper
     CHECK(files[2] == "test2.css");
   }
 
-  SECTION("nested imports")
-  {
+  SECTION("nested imports") {
     setFileContents("/tmp/waybar_test.css", "@import 'test.css';");
     setFileContents("test.css", "@import 'test2.css';");
     setFileContents("test2.css", "body { color: red; }");
@@ -97,8 +75,7 @@ TEST_CASE_METHOD(CssReloadHelperTest, "parse_imports", "[util][css_reload_helper
     CHECK(files[2] == "test2.css");
   }
 
-  SECTION("circular imports")
-  {
+  SECTION("circular imports") {
     setFileContents("/tmp/waybar_test.css", "@import 'test.css';");
     setFileContents("test.css", "@import 'test2.css';");
     setFileContents("test2.css", "@import 'test.css';");
@@ -110,16 +87,14 @@ TEST_CASE_METHOD(CssReloadHelperTest, "parse_imports", "[util][css_reload_helper
     CHECK(files[2] == "test2.css");
   }
 
-  SECTION("empty")
-  {
+  SECTION("empty") {
     setFileContents("/tmp/waybar_test.css", "");
     auto files = parseImports("/tmp/waybar_test.css");
     REQUIRE(files.size() == 1);
     CHECK(files[0] == "/tmp/waybar_test.css");
   }
 
-  SECTION("empty name")
-  {
+  SECTION("empty name") {
     auto files = parseImports("");
     REQUIRE(files.empty());
   }