diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5831407..5c00c92 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## 0.0.28
 
+* Fixes in `UIKitWidth`
+
 ## 0.0.27
 
 * `TextField` has been renamed to `StandardInput`
diff --git a/src/jsMain/kotlin/dev/inmo/jsuikit/modifiers/UIKitBase.kt b/src/jsMain/kotlin/dev/inmo/jsuikit/modifiers/UIKitBase.kt
new file mode 100644
index 0000000..f8036d7
--- /dev/null
+++ b/src/jsMain/kotlin/dev/inmo/jsuikit/modifiers/UIKitBase.kt
@@ -0,0 +1,14 @@
+package dev.inmo.jsuikit.modifiers
+
+sealed class UIKitBase(classname: String) : UIKitModifier {
+    override val classes: Array<String> = arrayOf(classname)
+
+    sealed class Heading(suffix: String) : UIKitBase("uk-h$suffix") {
+        object H1 : Heading("1")
+        object H2 : Heading("2")
+        object H3 : Heading("3")
+        object H4 : Heading("4")
+        object H5 : Heading("5")
+        object H6 : Heading("6")
+    }
+}
diff --git a/src/jsMain/kotlin/dev/inmo/jsuikit/modifiers/UIKitWidth.kt b/src/jsMain/kotlin/dev/inmo/jsuikit/modifiers/UIKitWidth.kt
index 724b879..e81a5fd 100644
--- a/src/jsMain/kotlin/dev/inmo/jsuikit/modifiers/UIKitWidth.kt
+++ b/src/jsMain/kotlin/dev/inmo/jsuikit/modifiers/UIKitWidth.kt
@@ -1,29 +1,29 @@
 package dev.inmo.jsuikit.modifiers
 
 sealed class UIKitWidth(classname: String) : UIKitModifier {
-    override val classes: Array<String> = arrayOf("uk-width-$classname")
+    override val classes: Array<String> = arrayOf(classname)
 
-    object Auto : UIKitWidth("auto")
-    object Expand : UIKitWidth("expand")
-    object Full : UIKitWidth("1-1")
+    object Auto : UIKitWidth("uk-width-auto")
+    object Expand : UIKitWidth("uk-width-expand")
+    object Full : UIKitWidth("uk-width-1-1")
 
-    object Half : UIKitWidth("1-2")
+    object Half : UIKitWidth("uk-width-1-2")
 
-    object OneThird : UIKitWidth("1-3")
-    object TwoThird : UIKitWidth("2-3")
+    object OneThird : UIKitWidth("uk-width-1-3")
+    object TwoThird : UIKitWidth("uk-width-2-3")
 
-    object OneFourth : UIKitWidth("1-4")
-    object ThreeFourth : UIKitWidth("3-4")
+    object OneFourth : UIKitWidth("uk-width-1-4")
+    object ThreeFourth : UIKitWidth("uk-width-3-4")
 
-    object OneFifth : UIKitWidth("1-5")
-    object TwoFifth : UIKitWidth("2-5")
-    object ThreeFifth : UIKitWidth("3-5")
-    object FourFifth : UIKitWidth("4-5")
+    object OneFifth : UIKitWidth("uk-width-1-5")
+    object TwoFifth : UIKitWidth("uk-width-2-5")
+    object ThreeFifth : UIKitWidth("uk-width-3-5")
+    object FourFifth : UIKitWidth("uk-width-4-5")
 
-    object OneSixth : UIKitWidth("1-6")
-    object FiveSixth : UIKitWidth("5-6")
+    object OneSixth : UIKitWidth("uk-width-1-6")
+    object FiveSixth : UIKitWidth("uk-width-5-6")
 
-    sealed class Child(suffix: String) : UIKitWidth("child-$suffix") {
+    sealed class Child(suffix: String) : UIKitWidth("uk-child-width-$suffix") {
         object Full : Child("1-1")
 
         object Half : Child("1-2")
@@ -57,7 +57,7 @@ sealed class UIKitWidth(classname: String) : UIKitModifier {
         }
     }
 
-    sealed class Fixed(suffix: String) : UIKitWidth("fixed-$suffix") {
+    sealed class Fixed(suffix: String) : UIKitWidth("uk-width-fixed-$suffix") {
 
         object Small : Fixed("small")
         object Medium : Fixed("medium")