fix remaining tests

Author: rbri

src/test/java/com/gargoylesoftware/css/parser/CSS3ParserTest.java

@@ -874,10 +874,10 @@ public void hexColor() throws Exception {
         color("background: rgb(28, 29, 0)", "background: #1c1d00;");
 
         color("color: rgba(51, 170, 51, 0)", "color: #3a30;");
-        color("color: rgba(51, 170, 51, 1)", "color: #3a3F;");
+        color("color: rgba(51, 170, 51, 100)", "color: #3a3F;");
 
         color("color: rgba(51, 170, 51, 0)", "color: #33aa3300;");
-        color("color: rgba(51, 170, 51, 0.502)", "color: #33AA3380;");
+        color("color: rgba(51, 170, 51, 50.196)", "color: #33AA3380;");
     }
 
     /**