update signature popup styles

signature_popup.html

@@ -7,19 +7,16 @@ div {
     word-wrap:break-word;
 }
 .name {
-	color: ${nameColor};
+	${nameStyles}
 }
 .type {
-	color: ${typeColor};
-}
-.keyword {
-	color: ${keywordColor};
+	${typeStyles}
 }
 .param {
-	color: ${paramColor};
+	${paramStyles}
 }
 .text {
-	color: ${textColor};
+	${textStyles}
 }
 </style>
 <div><b>${signature}</b></div>