[콘텐츠상세][Common] 리스티클 표지 워터마크 텍스트 투명도 설정

app/src/main/res/layout/contents_listicle_cover.xml

@@ -148,7 +148,7 @@
     android:layout_marginTop="24dp"
     android:gravity="center_horizontal"
     android:lineSpacingExtra="3sp"
-    android:textColor="@color/CFFFFFF"
+    android:textColor="@color/C66FFFFFF"
     android:textSize="8sp"
     app:layout_constraintEnd_toEndOf="parent"
     app:layout_constraintStart_toStartOf="parent"