diff --git a/formsfx-core/src/main/java/com/dlsc/formsfx/view/renderer/FormRenderer.java b/formsfx-core/src/main/java/com/dlsc/formsfx/view/renderer/FormRenderer.java
index 007cb8d..cc67935 100644
--- a/formsfx-core/src/main/java/com/dlsc/formsfx/view/renderer/FormRenderer.java
+++ b/formsfx-core/src/main/java/com/dlsc/formsfx/view/renderer/FormRenderer.java
@@ -78,6 +78,8 @@ public void initializeParts() {
      */
     @Override
     public void layoutParts() {
+        getStyleClass().add("formsfx-form");
+
         setPadding(new Insets(10));
         getChildren().addAll(sections);
     }
diff --git a/formsfx-core/src/main/java/com/dlsc/formsfx/view/renderer/SectionRenderer.java b/formsfx-core/src/main/java/com/dlsc/formsfx/view/renderer/SectionRenderer.java
index 143f6c7..ff276bd 100644
--- a/formsfx-core/src/main/java/com/dlsc/formsfx/view/renderer/SectionRenderer.java
+++ b/formsfx-core/src/main/java/com/dlsc/formsfx/view/renderer/SectionRenderer.java
@@ -59,6 +59,9 @@ public void initializeParts() {
     @Override
     public void layoutParts() {
         super.layoutParts();
+
+        getStyleClass().add("formsfx-section");
+
         titledPane.setContent(grid);
         getChildren().add(titledPane);