update elements and fix some bugs

lib/paper_input_container.dart

Index: lib/paper_input_container.dart
diff --git a/lib/paper_input_container.dart b/lib/paper_input_container.dart
index d5b12fb539475b18914c1f3bfa4be41a8ef84b4b..d5f71bc4f3be4a4946ae0e909dcee6697de4ec10 100644
--- a/lib/paper_input_container.dart
+++ b/lib/paper_input_container.dart
@@ -73,15 +73,15 @@ import 'paper_styles.dart';
 /// `--paper-input-container-invalid-color` | Label and underline color when the input is is invalid | `--google-red-500`
 /// `--paper-input-container-input-color` | Input foreground color | `--primary-text-color`
 /// `--paper-input-container` | Mixin applied to the container | `{}`
+/// `--paper-input-container-disabled` | Mixin applied to the container when it's disabled | `{}`
 /// `--paper-input-container-label` | Mixin applied to the label | `{}`
 /// `--paper-input-container-label-focus` | Mixin applied to the label when the input is focused | `{}`
 /// `--paper-input-container-input` | Mixin applied to the input | `{}`
-/// `--paper-input-container-input-disabled` | Mixin applied to the input when it's disabled | `{}`
-/// `--paper-input-container-prefix` | Mixin applied to the input prefix | `{}`
-/// `--paper-input-container-suffix` | Mixin applied to the input suffix | `{}`
 /// `--paper-input-container-underline` | Mixin applied to the underline | `{}`
 /// `--paper-input-container-underline-focus` | Mixin applied to the underline when the input is focued | `{}`
 /// `--paper-input-container-underline-disabled` | Mixin applied to the underline when the input is disabled | `{}`
+/// `--paper-input-prefix` | Mixin applied to the input prefix | `{}`
+/// `--paper-input-suffix` | Mixin applied to the input suffix | `{}`
 ///
 /// This element is `display:block` by default, but you can set the `inline` attribute to make it
 /// `display:inline-block`.
@@ -107,7 +107,7 @@ class PaperInputContainer extends HtmlElement with CustomElementProxyMixin, Poly
   set focused(bool value) { jsElement[r'focused'] = value; }
 
   /// True if the input is invalid. This property is set automatically when the input value
-  /// changes if auto-validating, or when the `iron-input-valid` event is heard from a child.
+  /// changes if auto-validating, or when the `iron-input-validate` event is heard from a child.
   bool get invalid => jsElement[r'invalid'];
   set invalid(bool value) { jsElement[r'invalid'] = value; }