diff --git a/package.json b/package.json
index af7102a2..3659ca77 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "css-loader": "6.7.3",
     "css-minimizer-webpack-plugin": "^4.2.2",
     "dotenv": "16.0.3",
-    "eslint-plugin-nullstack": "0.0.12",
+    "eslint-plugin-nullstack": "0.0.26",
     "express": "4.18.2",
     "fs-extra": "11.1.0",
     "lightningcss": "^1.19.0",
diff --git a/types/ClientContext.d.ts b/types/ClientContext.d.ts
index f780bb89..ea3f62a6 100644
--- a/types/ClientContext.d.ts
+++ b/types/ClientContext.d.ts
@@ -1,5 +1,5 @@
 import { NullstackEnvironment } from './Environment'
-import { NullstackNode } from './JSX'
+import { NullstackFragment } from './JSX'
 import { NullstackPage } from './Page'
 import { NullstackParams } from './Params'
 import { NullstackProject } from './Project'
@@ -98,7 +98,7 @@ export type NullstackClientContext<TProps = unknown> = TProps & {
    *
    * @see https://nullstack.app/renderable-components#components-with-children
    */
-  children: NullstackNode
+  children: NullstackFragment
 
   /**
    * Bind object.
diff --git a/types/JSX.d.ts b/types/JSX.d.ts
index c8bcc4fd..8995bee4 100644
--- a/types/JSX.d.ts
+++ b/types/JSX.d.ts
@@ -577,10 +577,14 @@ type AriaRole =
   | 'treeitem'
   | (string & {})
 
+type Falsy = false | 0 | '' | null | undefined
+type CssClass = string | Falsy | Array<string | Falsy>
+type CssStyle = string | Falsy | Array<string | Falsy>
+
 export interface HTMLAttributes<T> extends AriaAttributes, DOMAttributes<T> {
   // Standard HTML Attributes
   accesskey?: string
-  class?: string | string[]
+  class?: CssClass
   contenteditable?: Booleanish | 'inherit'
   contextmenu?: string
   dir?: string
@@ -591,7 +595,7 @@ export interface HTMLAttributes<T> extends AriaAttributes, DOMAttributes<T> {
   placeholder?: string
   slot?: string
   spellcheck?: Booleanish
-  style?: string
+  style?: CssStyle
   tabindex?: number | string
   title?: string
   translate?: 'yes' | 'no'
@@ -1188,7 +1192,7 @@ export interface VideoHTMLAttributes<T> extends MediaHTMLAttributes<T> {
 //   - union of string literals
 export interface SVGAttributes<T> extends AriaAttributes, DOMAttributes<T> {
   // Attributes which also defined in HTMLAttributes
-  class?: string | string[]
+  class?: CssClass
   color?: string
   height?: number | string
   id?: string
@@ -1198,7 +1202,7 @@ export interface SVGAttributes<T> extends AriaAttributes, DOMAttributes<T> {
   method?: string
   min?: number | string
   name?: string
-  style?: string
+  style?: CssStyle
   target?: string
   type?: string
   width?: number | string
@@ -1426,5 +1430,9 @@ declare global {
     }
 
     interface IntrinsicElements extends ExoticElements, AllElements {}
+
+    interface ElementChildrenAttribute {
+      children: NullstackNode
+    }
   }
 }