More properties, cleanup

src/commonMain/kotlin/nl/astraeus/css/properties/Flex.kt

@@ -0,0 +1,42 @@
+package nl.astraeus.css.properties
+
+class FlexDirection(
+    value: String
+) : CssProperty(value) {
+
+    companion object {
+        fun row() = FlexDirection("row")
+        fun rowReverse() = FlexDirection("row-reverse")
+        fun column() = FlexDirection("column")
+        fun columnReverse() = FlexDirection("column-reverse")
+        fun initial() = FlexDirection("initial")
+        fun inherit() = FlexDirection("inherit")
+    }
+
+}
+
+class FlexGrowShrink(
+    value: String
+) : CssProperty(value) {
+
+    companion object {
+        fun number(number: Int) = FlexDirection("$number")
+        fun initial() = FlexDirection("initial")
+        fun inherit() = FlexDirection("inherit")
+    }
+
+}
+
+class FlexWrap(
+    value: String
+) : CssProperty(value) {
+
+    companion object {
+        fun nowrap() = FlexWrap("nowrap")
+        fun wrap() = FlexWrap("wrap")
+        fun wrapReverse() = FlexWrap("wrap-reverse")
+        fun initial() = FlexWrap("initial")
+        fun inherit() = FlexWrap("inherit")
+    }
+
+}