Merge function-builder branch into master

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

@@ -0,0 +1,25 @@
+package nl.astraeus.css.properties
+
+
+class MixBlendMode(
+    value: String
+) : CssProperty(value) {
+
+    companion object {
+        val normal = MixBlendMode("normal")
+        val multiply = MixBlendMode("multiply")
+        val screen = MixBlendMode("screen")
+        val overlay = MixBlendMode("overlay")
+        val darken = MixBlendMode("darken")
+        val lighten = MixBlendMode("lighten")
+        val colorDodge = MixBlendMode("color-dodge")
+        val colorBurn = MixBlendMode("color-burn")
+        val difference = MixBlendMode("difference")
+        val exclusion = MixBlendMode("exclusion")
+        val hue = MixBlendMode("hue")
+        val saturation = MixBlendMode("saturation")
+        val color = MixBlendMode("color")
+        val luminosity = MixBlendMode("luminosity")
+    }
+
+}