diff --git a/src/consts.ts b/src/consts.ts
index 4e7bdb3..96ac694 100644
--- a/src/consts.ts
+++ b/src/consts.ts
@@ -47,12 +47,13 @@ export const CONTENT_SLUGS = [
'html/web-resource',
'web-server/deploy-pages',
'css/responsive-design',
+ 'library/bootstrap',
+ 'library/tailwind',
'css/form',
'css/position',
'css/transform',
'css/transition',
'css/animation',
- 'library/introduction-bootstrap',
'extra/exercises',
'extra/next-steps',
];
diff --git a/src/content/classnotes/library/bootstrap/index.mdx b/src/content/classnotes/library/bootstrap/index.mdx
new file mode 100644
index 0000000..d711922
--- /dev/null
+++ b/src/content/classnotes/library/bootstrap/index.mdx
@@ -0,0 +1,172 @@
+---
+title: Bootstrap
+---
+
+import CodeHtmlPreview from '../../../../components/CodeHtmlPreview.astro';
+import CodeHtmlCssPreview from '../../../../components/CodeHtmlCssPreview.astro';
+import CodePreview from '../../../../components/CodePreview.astro';
+
+# {frontmatter.title}
+
+## CDN
+
+[Quick Start](https://getbootstrap.com/docs/5.3/getting-started/introduction/#quick-start)
+
+
+
+## Content
+
+[Reboot](https://getbootstrap.com/docs/5.3/content/reboot/) > Paragraphs
+
+
+
+[Reboot](https://getbootstrap.com/docs/5.3/content/reboot/) > Headings
+
+
+
+[Reboot](https://getbootstrap.com/docs/5.3/content/reboot/) > Links
+
+
+
+[Tables](https://getbootstrap.com/docs/5.3/content/tables/) > default table
+
+
+
+[Tables](https://getbootstrap.com/docs/5.3/content/tables/) > .table
+
+
+
+[Tables](https://getbootstrap.com/docs/5.3/content/tables/) > .table-striped
+
+
+
+## Helpers
+
+[Color & background](https://getbootstrap.com/docs/5.3/helpers/color-background/) > .text-\{color\}
+
+color: primary, secondary, success, danger, warning, info, light, dark
+
+
+
+[Color & background](https://getbootstrap.com/docs/5.3/helpers/color-background/) > .bg-\{color\}
+
+color: primary, secondary, success, danger, warning, info, light, dark
+
+
+
+[Color & background](https://getbootstrap.com/docs/5.3/helpers/color-background/) > .text-bg-\{color\}
+
+color: primary, secondary, success, danger, warning, info, light, dark
+
+
+
+## Utilities
+
+[Text](https://getbootstrap.com/docs/5.3/utilities/text/) > Text alignment: .text-start, .text-center, .text-end
+
+
+
+[Text](https://getbootstrap.com/docs/5.3/utilities/text/) > Text transform: .text-lowercase, .text-uppercase, .text-capitalize
+
+
+
+[Text](https://getbootstrap.com/docs/5.3/utilities/text/) > Font weight and italics: .fw-bold, .fst-italic
+
+
+
+[Text](https://getbootstrap.com/docs/5.3/utilities/text/) > Font size: .fs-1, ..., .fs-6
+
+
+
+[Spacing](https://getbootstrap.com/docs/5.3/utilities/spacing/) > \{property\}\{sides\}-\{size\} & \{property\}\{sides\}-\{breakpoint\}-\{size\}
+
+property: m, p
+
+sides: t, b, s, e, x, y
+
+size: 0, 1, 2, 3, 4, 5, auto
+
+
+
+[Display](https://getbootstrap.com/docs/5.3/utilities/display/) > .d-\{value\}, .d-\{breakpoint\}-\{value\}
+
+value: none, inline, inline-block, block, grid, inline-grid, table, table-cell, table-row, flex, inline-flex
+
+
+
+[Visibility](https://getbootstrap.com/docs/5.3/utilities/visibility/) > .visible, .invisible
+
+
+
+## Components
+
+[Navbar](https://getbootstrap.com/docs/5.3/components-navbar)
+
+
+
+[Card](https://getbootstrap.com/docs/5.3/components/card/) > Basic card
+
+
+
+[Card](https://getbootstrap.com/docs/5.3/components/card/) > Header and Footer
+
+
+
+[Card](https://getbootstrap.com/docs/5.3/components/card/) > Grid
+
+
+
+## Layout
+
+[Breakpoints](https://getbootstrap.com/docs/5.3/layout/breakpoints/)
+
+| Breakpoint | Class infix | Dimensions |
+| ----------------- | ----------- | ---------- |
+| Extra small | None | \<576px |
+| Small | sm | ≥576px |
+| Medium | md | ≥768px |
+| Large | lg | ≥992px |
+| Extra large | xl | ≥1200px |
+| Extra extra large | xxl | ≥1400px |
+
+[Containers](https://getbootstrap.com/docs/5.3/layout/containers/)
+
+| | xs<576px | sm≥576px | md≥768px | lg≥992px | xl≥1200px | xxl≥1400px |
+|------------------|-----------|----------|----------|----------|-----------|------------|
+| .container | 100% | 540px | 720px | 960px | 1140px | 1320px |
+| .container-sm | 100% | 540px | 720px | 960px | 1140px | 1320px |
+| .container-md | 100% | 100% | 720px | 960px | 1140px | 1320px |
+| .container-lg | 100% | 100% | 100% | 960px | 1140px | 1320px |
+| .container-xl | 100% | 100% | 100% | 100% | 1140px | 1320px |
+| .container-xxl | 100% | 100% | 100% | 100% | 100% | 1320px |
+| .container-fluid | 100% | 100% | 100% | 100% | 100% | 100% |
+
+
+
+[Grid system](https://getbootstrap.com/docs/5.3/layout/grid/) > Equal width
+
+
+
+[Grid system](https://getbootstrap.com/docs/5.3/layout/grid/) > Column width - .col-\{width\}
+
+
+
+[Grid system](https://getbootstrap.com/docs/5.3/layout/grid/) > Responsive - .col-\{breakpoint\}-\{width\}, breakpoing: sm, md, lg, xl, xxl
+
+
+
+[Grid system](https://getbootstrap.com/docs/5.3/layout/grid/) > Row columns
+
+
+
+## Referências
+
+- [Documentação](https://getbootstrap.com/docs/)
+- Templates
+ - https://bootstrapmade.com/
+ - https://startbootstrap.com/themes
+- Inspirações de Componentes
+ - [Figma Design templates](https://www.figma.com/community/design-templates)
+ - [Dribbble](https://dribbble.com/)
+ - [UI Design Patterns](https://pageflows.com/)
+ - [One Page Love](https://onepagelove.com/inspiration)
diff --git a/src/content/classnotes/library/introduction-bootstrap/index.mdx b/src/content/classnotes/library/introduction-bootstrap/index.mdx
deleted file mode 100644
index d4a68b0..0000000
--- a/src/content/classnotes/library/introduction-bootstrap/index.mdx
+++ /dev/null
@@ -1,10 +0,0 @@
----
-title: Componentes Web
----
-
-# {frontmatter.title}
-
-## Bootstrap
-
-- [Documentação](https://getbootstrap.com/docs/)
-- [Exemplo](https://ifpb.github.io/css-guide/packages/bootstrap/intro/)
diff --git a/src/content/classnotes/library/tailwind/index.mdx b/src/content/classnotes/library/tailwind/index.mdx
new file mode 100644
index 0000000..6a105d0
--- /dev/null
+++ b/src/content/classnotes/library/tailwind/index.mdx
@@ -0,0 +1,87 @@
+---
+title: Tailwind CSS
+---
+
+import CodeHtmlPreview from '../../../../components/CodeHtmlPreview.astro';
+
+# {frontmatter.title}
+
+## CDN
+
+[Get started](https://tailwindcss.com/docs/installation/play-cdn)
+
+
+
+## Dos
+
+- Core Concepts
+ - [Utility-First](https://tailwindcss.com/docs/utility-first)
+ - [Responsive Design](https://tailwindcss.com/docs/responsive-design)
+ - [Hover, Focus, and Other States](https://tailwindcss.com/docs/hover-focus-and-other-states)
+ - [Dark Mode](https://tailwindcss.com/docs/dark-mode)
+- Customization
+ - [Color](https://tailwindcss.com/docs/customizing-colors)
+ - [Spacing](https://tailwindcss.com/docs/customizing-spacing)
+- Flex & Grid
+ - [Flex](https://tailwindcss.com/docs/flex)
+ - [Grid](https://tailwindcss.com/docs/grid-template-columns)
+- Layout
+ - [Container](https://tailwindcss.com/docs/container)
+ - [Position](https://tailwindcss.com/docs/position)
+- Spacing
+ - [Padding](https://tailwindcss.com/docs/padding)
+ - [Margin](https://tailwindcss.com/docs/margin)
+ - [Space Between](https://tailwindcss.com/docs/space-between)
+- Sizing
+ - [Width](https://tailwindcss.com/docs/width)
+ - [Height](https://tailwindcss.com/docs/height)
+ - [Size](https://tailwindcss.com/docs/size)
+- Typography
+ - [Font Size](https://tailwindcss.com/docs/font-size)
+ - [Font Weight](https://tailwindcss.com/docs/font-weight)
+- Background
+ - [Background Color](https://tailwindcss.com/docs/background-color)
+- Borders
+ - [Border Width](https://tailwindcss.com/docs/border-width)
+ - [Border Radius](https://tailwindcss.com/docs/border-radius)
+- Effects
+ - [Shadow](https://tailwindcss.com/docs/box-shadow)
+ - [Opacity](https://tailwindcss.com/docs/opacity)
+- Filters
+ - [Blur](https://tailwindcss.com/docs/blur)
+- Tables
+ - [Border Collapse](https://tailwindcss.com/docs/border-collapse)
+- Transitions & Animations
+ - [Transition](https://tailwindcss.com/docs/transition-property)
+ - [Animation](https://tailwindcss.com/docs/animation)
+- Transform
+ - [Scale](https://tailwindcss.com/docs/scale)
+ - [Translate](https://tailwindcss.com/docs/translate)
+- Interactivity
+ - [Cursor](https://tailwindcss.com/docs/cursor)
+
+## Referências
+
+- [Documentação](https://tailwindcss.com/docs/installation)
+- Bibliotecas
+ - [HyperUI](https://www.hyperui.dev/)
+ - [Tailwind UI](https://tailwindui.com/)
+ - [Componentes](https://tailwindui.com/components)
+ - [Templates](https://tailwindui.com/templates)
+ - [Flowbite](https://flowbite.com/)
+ - [Blocks](https://flowbite.com/blocks/)
+ - [Components](https://flowbite.com/docs/components/alerts/)
+ - [Tailwind Awesome](https://www.tailwindawesome.com/)
+ - [Templates](https://www.tailwindawesome.com/?price=free&type=template)
+ - [UI Kits](https://www.tailwindawesome.com/?type=kit)
+ - [Preline](https://preline.co/)
+ - [Components](https://preline.co/docs/accordion.html)
+ - [Blocks](https://preline.co/examples.html)
+ - [Templates](https://preline.co/templates.html)
+- Templates
+ - [UIdeck](https://uideck.com/tailwind-templates)
+ - [Tailwind Tamplates](https://tailwindtemplates.co/)
+- Components
+ - [TailwindTemplates](https://tailwindtemplates.io/templates)
+- Tools
+ - [CSS 2 Tailwind](https://transform.tools/css-to-tailwind)