Yii widgets
===========

A maioria dos componentes complexos do bootstrap são envolvidos em widgets Yii para permitir uma sintaxe mais robusta e integrar-se com
características estruturais do framework. Todos widgets pertencem ao namespace `\yii\bootstrap4`:

- [[yii\bootstrap4\Accordion|Accordion]]
- [[yii\bootstrap4\ActiveField|ActiveField]]
- [[yii\bootstrap4\ActiveForm|ActiveForm]]
- [[yii\bootstrap4\Alert|Alert]]
- [[yii\bootstrap4\Breadcrumbs|Breadcrumbs]]
- [[yii\bootstrap4\Button|Button]]
- [[yii\bootstrap4\ButtonDropdown|ButtonDropdown]]
- [[yii\bootstrap4\ButtonGroup|ButtonGroup]]
- [[yii\bootstrap4\ButtonToolbar|ButtonToolbar]]
- [[yii\bootstrap4\Carousel|Carousel]]
- [[yii\bootstrap4\Dropdown|Dropdown]]
- [[yii\bootstrap4\Modal|Modal]]
- [[yii\bootstrap4\Nav|Nav]]
- [[yii\bootstrap4\NavBar|NavBar]]
- [[yii\bootstrap4\Progress|Progress]]
- [[yii\bootstrap4\Tabs|Tabs]]
- [[yii\bootstrap4\ToggleButtonGroup|ToggleButtonGroup]]