fixes in AlertCloseButton

src/jsMain/kotlin/dev/inmo/jsuikit/elements/Alert.kt

@@ -37,8 +37,9 @@ fun AlertCloseButton(
     A(
         null,
         {
-            include(UIKitAlert.Close)
+            include(UIKitAlert.Close, UIKitIcon)
             attr("uk-close", "")
+            classes("uk-close")
             attrs.builder(this)
         },
         content

src/jsMain/kotlin/dev/inmo/jsuikit/elements/Icon.kt

@@ -211,8 +211,7 @@ sealed class Icon(val name: String) {
         onClick: ((Event) -> Unit)? = null
     ) {
         val configurer: AttrBuilderContext<out HTMLElement> = {
-            classes("uk-icon")
-            include(*modifiers, type)
+            include(*modifiers, type, UIKitIcon)
             attr("uk-icon", "icon: $name${if (ratio != null) { "; ratio: $ratio" } else ""}")
             onClick ?.let { _ ->
                 onClick { onClick(it.nativeEvent) }

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

@@ -0,0 +1,7 @@
+package dev.inmo.jsuikit.modifiers
+
+sealed class UIKitIcon(classname: String) : UIKitModifier {
+    override val classes: Array<String> = arrayOf(classname)
+
+    companion object : UIKitIcon("uk-icon")
+}