[css-color-4][editorial] add wpt

Author: svgeesus

css-color-4/Overview.bs

@@ -422,6 +422,8 @@ Foreground Color: the 'color' property</h2>
 	color-003.html
 	inheritance.html
 	animation/color-interpolation.html
+	color-initial-canvastext.html
+	parsing/color-invalid.html
 	</wpt>
 
 	This property describes the foreground fill color of an element's text content.
@@ -4432,6 +4434,9 @@ Transparency: the 'opacity' property</h2>
 		parsing/opacity-computed.html
 		parsing/opacity-valid.html
 		parsing/opacity-invalid.html
+		composited-filters-under-opacity.html
+		filters-under-will-change-opacity.html
+		animation/color-composition.html
 	</wpt>
 
 	<dl>