Fix trash & archive page

lib/ui/archive_page.dart

@@ -54,7 +54,7 @@ class ArchivePage extends StatelessWidget {
         preferredSize: Size.fromHeight(50.0),
         child: GalleryAppBarWidget(
           appBarType,
-          "archive",
+          "Hidden",
           _selectedFiles,
         ),
       ),

lib/ui/thumbnail_widget.dart

@@ -41,10 +41,13 @@ class ThumbnailWidget extends StatefulWidget {
   _ThumbnailWidgetState createState() => _ThumbnailWidgetState();
 }
 
-Widget getFileInfoContainer(File file) {
+Widget getFileInfoContainer(BuildContext context, File file) {
   if (file is TrashFile) {
     return Container(
-      child: Text(daysLeft(file.deleteBy)),
+      child: Text(
+        daysLeft(file.deleteBy),
+        style: TextStyle(color: Colors.white),
+      ),
       alignment: Alignment.bottomCenter,
       padding: EdgeInsets.fromLTRB(0, 0, 0, 5),
     );
@@ -196,7 +199,7 @@ class _ThumbnailWidgetState extends State<ThumbnailWidget> {
       ),
       widget.shouldShowSyncStatus && widget.file.uploadedFileID == null
           ? kUnsyncedIconOverlay
-          : getFileInfoContainer(widget.file),
+          : getFileInfoContainer(context, widget.file),
     ];
     if (widget.shouldShowArchiveStatus) {
       viewChildrens.add(kArchiveIconOverlay);

lib/ui/trash_page.dart

@@ -49,7 +49,7 @@ class TrashPage extends StatelessWidget {
         preferredSize: Size.fromHeight(50.0),
         child: GalleryAppBarWidget(
           appBarType,
-          "trash",
+          "Trash",
           _selectedFiles,
         ),
       ),
@@ -65,11 +65,8 @@ class TrashPage extends StatelessWidget {
           return Padding(
             padding: EdgeInsets.all(16),
             child: Text(
-              'items show the number the days remaining before permanent deletion',
-              style: TextStyle(
-                fontSize: 16,
-                color: Colors.white.withOpacity(0.6),
-              ),
+              'Items show the number the days remaining before permanent deletion',
+              style: Theme.of(context).textTheme.caption.copyWith(fontSize: 16),
             ),
           );
         } else {