add new parameters

lib/src/anim_search_widget.dart

@@ -39,6 +39,8 @@ class AnimSearchBar extends StatefulWidget {
   final List<TextInputFormatter>? inputFormatters;
   final bool boxShadow;
   final Function(String) onSubmitted;
+  final TextStyle? helpTextStyle;
+  final double helpTextContentPadding;
 
   const AnimSearchBar({
     Key? key,
@@ -88,6 +90,12 @@ class AnimSearchBar extends StatefulWidget {
 
     /// can add list of inputformatters to control the input
     this.inputFormatters,
+    this.helpTextStyle = const TextStyle(
+      color: Color(0xff5B5B5B),
+      fontSize: 17.0,
+      fontWeight: FontWeight.w500,
+    ),
+    this.helpTextContentPadding = 5.0,
   }) : super(key: key);
 
   @override
@@ -274,15 +282,11 @@ class _AnimSearchBarState extends State<AnimSearchBar>
                         : TextStyle(color: Colors.black),
                     cursorColor: Colors.black,
                     decoration: InputDecoration(
-                      contentPadding: const EdgeInsets.only(bottom: 5),
+                      contentPadding: EdgeInsets.only(bottom: widget.helpTextContentPadding),
                       isDense: true,
                       floatingLabelBehavior: FloatingLabelBehavior.never,
                       labelText: widget.helpText,
-                      labelStyle: TextStyle(
-                        color: Color(0xff5B5B5B),
-                        fontSize: 17.0,
-                        fontWeight: FontWeight.w500,
-                      ),
+                      labelStyle: widget.helpTextStyle,
                       alignLabelWithHint: true,
                       border: OutlineInputBorder(
                         borderRadius: BorderRadius.circular(20.0),