now project is multiplatform and correctly working

src/jsMain/kotlin/dev/inmo/jsuikit/modifiers/UIKitPadding.kt

@@ -0,0 +1,29 @@
+package dev.inmo.jsuikit.modifiers
+
+sealed class UIKitPadding(suffix: String?) : UIKitModifier {
+    override val classes: Array<String> = arrayOf("uk-padding${suffix ?.let { "-$it" } ?: ""}")
+
+    sealed class Size(suffix: String?) : UIKitPadding(suffix) {
+
+        object Small : Size("small")
+        object Large : Size("large")
+
+        companion object : Size(null)
+
+    }
+
+    sealed class Remove(suffix: String?) : UIKitPadding("remove${suffix ?.let { "-$it" } ?: ""}") {
+
+        object Top : Remove("top")
+        object Bottom : Remove("bottom")
+        object Left : Remove("left")
+        object Right : Remove("right")
+        object Vertical : Remove("vertical")
+        object Horizontal : Remove("horizontal")
+
+        companion object : Remove(null)
+
+    }
+
+
+}