More properties, cleanup

src/commonMain/kotlin/nl/astraeus/css/style/FontFace.kt

@@ -0,0 +1,27 @@
+package nl.astraeus.css.style
+
+import nl.astraeus.css.properties.*
+
+@CssTagMarker
+open class FontFace(
+    var fontFamily: TextProperty? = null,
+    var fontSize: FontSize? = null,
+    var src: TextProperty? = null,
+    var fontStretch: FontStretch? = null,
+    var fontStyle: FontStyle? = null,
+    var fontWeight: FontWeight? = null,
+    var unicodeRange: TextProperty? = null
+) : CssGenerator() {
+
+    override fun getValidator(name: String) = null
+
+    override fun getMapping(): Map<String, Any?> = mapOf(
+        "font-family" to fontFamily,
+        "font-size" to fontSize,
+        "src" to src,
+        "font-stretch" to fontStretch,
+        "font-style" to fontStyle,
+        "font-weight" to fontWeight,
+        "unicode-range" to unicodeRange
+    )
+}