Bug 1723182 - Use the correct color for IMIP buttons with prefers-contrast. r=darktrojan

calendar/base/themes/common/calendar.css

@@ -119,10 +119,13 @@
 /* iMIP notification bar */
 .calendar-notification-bar {
   background-color: #baeeff;
-  color: #000;
   padding: 3px;
 }
 
+:root[lwt-tree-brighttext] .calendar-notification-bar {
+  background-color: #464cb9;
+}
+
 .calendar-notification-bar {
   margin: 0 4px 4px;
   border-radius: 4px;
@@ -130,9 +133,7 @@
 }
 
 :root[lwt-tree] #imip-view-toolbar {
-  --imip-button-color: var(--toolbar-color);
   --imip-button-background: var(--toolbar-bgcolor);
-  color: var(--lwt-text-color);
 }
 
 #imip-bar > img {

calendar/base/themes/linux/calendar.css

@@ -60,6 +60,5 @@
 }
 
 #imip-view-toolbar {
-  --imip-button-color: WindowText;
   --imip-button-background: AppWorkspace;
 }

calendar/base/themes/osx/calendar.css

@@ -20,7 +20,6 @@
 }
 
 #imip-view-toolbar {
-  --imip-button-color: -moz-DialogText;
   --imip-button-background: #fff;
 }
 

calendar/base/themes/windows/calendar.css

@@ -66,7 +66,6 @@
 }
 
 #imip-view-toolbar {
-  --imip-button-color: WindowText;
   --imip-button-background: ButtonFace;
 }