diff --git a/mozilla/calendar/base/themes/common/calendar-day-label-back.png b/mozilla/calendar/base/themes/common/calendar-day-label-back.png new file mode 100644 index 00000000000..f1776418f35 Binary files /dev/null and b/mozilla/calendar/base/themes/common/calendar-day-label-back.png differ diff --git a/mozilla/calendar/base/themes/common/category-overlay.png b/mozilla/calendar/base/themes/common/category-overlay.png index 93c3f4ffd2a..023150b1d23 100644 Binary files a/mozilla/calendar/base/themes/common/category-overlay.png and b/mozilla/calendar/base/themes/common/category-overlay.png differ diff --git a/mozilla/calendar/base/themes/common/gradient-overlay.png b/mozilla/calendar/base/themes/common/gradient-overlay.png index 7d179ce1f1c..4275983b2b0 100644 Binary files a/mozilla/calendar/base/themes/common/gradient-overlay.png and b/mozilla/calendar/base/themes/common/gradient-overlay.png differ