diff --git a/packages/core/src/components/modal/stories/modal.args.ts b/packages/core/src/components/modal/stories/modal.args.ts
index 06465581e..0895f3982 100644
--- a/packages/core/src/components/modal/stories/modal.args.ts
+++ b/packages/core/src/components/modal/stories/modal.args.ts
@@ -168,6 +168,42 @@ export const ModalStoryArgs = {
         category: Category.CSS_CUSTOM_PROPERTIES,
       },
     },
+    '--height': {
+      description: 'Height of the modal.',
+      table: {
+        category: Category.CSS_CUSTOM_PROPERTIES,
+      },
+    },
+    '--max-height': {
+      description: 'Maximum height of the modal.',
+      table: {
+        category: Category.CSS_CUSTOM_PROPERTIES,
+      },
+    },
+    '--max-width': {
+      description: 'Maximum width of the modal.',
+      table: {
+        category: Category.CSS_CUSTOM_PROPERTIES,
+      },
+    },
+    '--min-height': {
+      description: 'Minimum height of the modal.',
+      table: {
+        category: Category.CSS_CUSTOM_PROPERTIES,
+      },
+    },
+    '--min-width': {
+      description: 'Minimum width of the modal.',
+      table: {
+        category: Category.CSS_CUSTOM_PROPERTIES,
+      },
+    },
+    '--width': {
+      description: 'Width of the modal.',
+      table: {
+        category: Category.CSS_CUSTOM_PROPERTIES,
+      },
+    },
     present: {
       description:
         'Method to present the modal overlay after it has been created.',