diff --git a/lib/country_code_picker.dart b/lib/country_code_picker.dart
index 6016fe6..276aaa9 100644
--- a/lib/country_code_picker.dart
+++ b/lib/country_code_picker.dart
@@ -37,6 +37,9 @@ class CountryCodePicker extends StatefulWidget {
   /// the size of the selection dialog
   final Size dialogSize;
 
+  /// Background color of selection dialog
+  final Color dialogBackgroundColor;
+
   /// used to customize the country list
   final List<String> countryFilter;
 
@@ -101,6 +104,7 @@ class CountryCodePicker extends StatefulWidget {
     this.hideSearch = false,
     this.showDropDownButton = false,
     this.dialogSize,
+    this.dialogBackgroundColor,
     this.closeIcon = const Icon(Icons.close),
     Key key,
   }) : super(key: key);
@@ -266,26 +270,27 @@ class CountryCodePickerState extends State<CountryCodePicker> {
       barrierColor: widget.barrierColor ?? Colors.grey.withOpacity(0.5),
       backgroundColor: widget.backgroundColor ?? Colors.transparent,
       context: context,
-      builder: (context) =>
-          Center(
-            child: SelectionDialog(
-              elements,
-              favoriteElements,
-              showCountryOnly: widget.showCountryOnly,
-              emptySearchBuilder: widget.emptySearchBuilder,
-              searchDecoration: widget.searchDecoration,
-              searchStyle: widget.searchStyle,
-              textStyle: widget.dialogTextStyle,
-              boxDecoration: widget.boxDecoration,
-              showFlag: widget.showFlagDialog != null
-                  ? widget.showFlagDialog
-                  : widget.showFlag,
-              flagWidth: widget.flagWidth,
-              size: widget.dialogSize,
-              hideSearch: widget.hideSearch,
-              closeIcon: widget.closeIcon,
-            ),
-          ),
+      builder: (context) => Center(
+        child: SelectionDialog(
+          elements,
+          favoriteElements,
+          showCountryOnly: widget.showCountryOnly,
+          emptySearchBuilder: widget.emptySearchBuilder,
+          searchDecoration: widget.searchDecoration,
+          searchStyle: widget.searchStyle,
+          textStyle: widget.dialogTextStyle,
+          boxDecoration: widget.boxDecoration,
+          showFlag: widget.showFlagDialog != null
+              ? widget.showFlagDialog
+              : widget.showFlag,
+          flagWidth: widget.flagWidth,
+          size: widget.dialogSize,
+          backgroundColor: widget.dialogBackgroundColor,
+          barrierColor: widget.barrierColor,
+          hideSearch: widget.hideSearch,
+          closeIcon: widget.closeIcon,
+        ),
+      ),
     ).then((e) {
       if (e != null) {
         setState(() {
diff --git a/lib/i18n/zh.json b/lib/i18n/zh.json
index 5e91677..0863ae4 100644
--- a/lib/i18n/zh.json
+++ b/lib/i18n/zh.json
@@ -226,7 +226,7 @@
   "TR": "土耳其",
   "TT": "特立尼达和多巴哥",
   "TV": "图瓦卢",
-  "TW": "中国台湾",
+  "TW": "台湾",
   "TZ": "坦桑尼亚",
   "UA": "乌克兰",
   "UG": "乌干达",
diff --git a/lib/selection_dialog.dart b/lib/selection_dialog.dart
index ad7c168..1b7f883 100644
--- a/lib/selection_dialog.dart
+++ b/lib/selection_dialog.dart
@@ -16,6 +16,12 @@ class SelectionDialog extends StatefulWidget {
   final bool hideSearch;
   final Icon closeIcon;
 
+  /// Background color of SelectionDialog
+  final Color backgroundColor;
+
+  /// Boxshaow color of SelectionDialog that matches CountryCodePicker barrier color
+  final Color barrierColor;
+
   /// elements passed as favorite
   final List<CountryCode> favoriteElements;
 
@@ -32,6 +38,8 @@ class SelectionDialog extends StatefulWidget {
     this.showFlag,
     this.flagWidth = 32,
     this.size,
+    this.backgroundColor,
+    this.barrierColor,
     this.hideSearch = false,
     this.closeIcon,
   })  : assert(searchDecoration != null, 'searchDecoration must not be null!'),
@@ -58,11 +66,11 @@ class _SelectionDialogState extends State<SelectionDialog> {
               widget.size?.height ?? MediaQuery.of(context).size.height * 0.85,
           decoration: widget.boxDecoration ??
               BoxDecoration(
-                color: Colors.white,
+                color: widget.backgroundColor ?? Colors.white,
                 borderRadius: BorderRadius.all(Radius.circular(25.0)),
                 boxShadow: [
                   BoxShadow(
-                    color: Colors.grey.withOpacity(1),
+                    color: widget.barrierColor ?? Colors.grey.withOpacity(1),
                     spreadRadius: 5,
                     blurRadius: 7,
                     offset: Offset(0, 3), // changes position of shadow
diff --git a/pubspec.yaml b/pubspec.yaml
index b44398a..beac8eb 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -10,7 +10,7 @@ dependencies:
   flutter:
     sdk: flutter
 
-  modal_bottom_sheet: ^1.0.1-dev
+  modal_bottom_sheet: ^1.0.0+1
 
 flutter:
   assets: