diff --git a/src/librssguard/miscellaneous/application.cpp b/src/librssguard/miscellaneous/application.cpp
index 5b3f182a1..62d4b04eb 100644
--- a/src/librssguard/miscellaneous/application.cpp
+++ b/src/librssguard/miscellaneous/application.cpp
@@ -181,6 +181,9 @@ Application::Application(const QString& id, int& argc, char** argv, const QStrin
   m_webFactory->engineProfile()->setHttpCacheType(QWebEngineProfile::HttpCacheType::DiskHttpCache);
   m_webFactory->engineProfile()->setPersistentStoragePath(web_data_root + QDir::separator() + QSL("storage"));
 
+  m_webFactory->loadCustomCss(userDataFolder() + QDir::separator() + QSL("web") + QDir::separator() +
+                              QSL("user-styles.css"));
+
   if (custom_ua.isEmpty()) {
     m_webFactory->engineProfile()->setHttpUserAgent(QString(HTTP_COMPLETE_USERAGENT));
   }
diff --git a/src/librssguard/network-web/webfactory.cpp b/src/librssguard/network-web/webfactory.cpp
index f5a4ba612..c4eabca61 100644
--- a/src/librssguard/network-web/webfactory.cpp
+++ b/src/librssguard/network-web/webfactory.cpp
@@ -89,6 +89,36 @@ bool WebFactory::sendMessageViaEmail(const Message& message) {
   }
 }
 
+#if defined(USE_WEBENGINE)
+void WebFactory::loadCustomCss(const QString user_styles_path) {
+  if (QFile::exists(user_styles_path)) {
+    QByteArray css_data = IOFactory::readFile(user_styles_path);
+    QString name = "rssguard-user-styles";
+    QWebEngineScript script;
+    QString s = QSL("(function() {"
+                    "  css = document.createElement('style');"
+                    "  css.type = 'text/css';"
+                    "  css.id = '%1';"
+                    "  document.head.appendChild(css);"
+                    "  css.innerText = '%2';"
+                    "})()")
+                  .arg(name, css_data.simplified());
+    script.setName(name);
+    script.setSourceCode(s);
+    script.setInjectionPoint(QWebEngineScript::DocumentReady);
+    script.setRunsOnSubFrames(false);
+    script.setWorldId(QWebEngineScript::ApplicationWorld);
+
+    m_engineProfile->scripts()->insert(script);
+
+    qDebugNN << LOGSEC_CORE << "Loading user CSS style file" << QUOTE_W_SPACE_DOT(user_styles_path);
+  }
+  else {
+    qWarningNN << LOGSEC_CORE << "User CSS style was not provided in file" << QUOTE_W_SPACE_DOT(user_styles_path);
+  }
+}
+#endif
+
 bool WebFactory::openUrlInExternalBrowser(const QString& url) const {
   qDebugNN << LOGSEC_NETWORK << "We are trying to open URL" << QUOTE_W_SPACE_DOT(url);
 
diff --git a/src/librssguard/network-web/webfactory.h b/src/librssguard/network-web/webfactory.h
index 74d5fad6b..36d7f3221 100644
--- a/src/librssguard/network-web/webfactory.h
+++ b/src/librssguard/network-web/webfactory.h
@@ -55,6 +55,10 @@ class WebFactory : public QObject {
     bool openUrlInExternalBrowser(const QString& url) const;
     bool sendMessageViaEmail(const Message& message);
 
+#if defined(USE_WEBENGINE)
+    void loadCustomCss(const QString user_styles_path);
+#endif
+
     QString customUserAgent() const;
     void setCustomUserAgent(const QString& user_agent);