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 # HTML and CSS3 Cheat Sheet
 
 ## Table of Contents
-
 1. [HTML Basics](#html-basics)
-   1.1 [Document Structure](#document-structure)
-   1.2 [HTML Elements](#html-elements)
-   1.3 [Headings](#headings)
-   1.4 [Paragraphs](#paragraphs)
-   1.5 [Lists](#lists)
-   1.6 [Links](#links)
-   1.7 [Images](#images)
+
+    1.1 [Document Structure](#document-structure)
+
+    1.2 [HTML Elements](#html-elements)
+
+    1.3 [Headings](#headings)
+
+    1.4 [Paragraphs](#paragraphs)
+
+    1.5 [Lists](#lists)
+
+    1.6 [Links](#links)
+
+    1.7 [Images](#images)
 
 2. [HTML Advanced](#html-advanced)
-   2.1 [Forms](#forms)
-   2.2 [Tables](#tables)
-   2.3 [Semantics](#semantics)
-   2.4 [Media Elements](#media-elements)
-   2.5 [IFrames](#iframes)
+
+    2.1 [Forms](#forms)
+
+    2.2 [Tables](#tables)
+
+    2.3 [Semantics](#semantics)
+
+    2.4 [Media Elements](#media-elements)
+
+    2.5 [IFrames](#iframes)
 
 3. [CSS3 Basics](#css3-basics)
-   3.1 [Selectors](#selectors)
-   3.2 [Box Model](#box-model)
-   3.3 [Colors and Backgrounds](#colors-and-backgrounds)
-   3.4 [Text Styling](#text-styling)
-   3.5 [Fonts](#fonts)
+
+    3.1 [Selectors](#selectors)
+
+    3.2 [Box Model](#box-model)
+
+    3.3 [Colors and Backgrounds](#colors-and-backgrounds)
+
+    3.4 [Text Styling](#text-styling)
+
+    3.5 [Fonts](#fonts)
 
 4. [CSS3 Advanced](#css3-advanced)
-   4.1 [Flexbox](#flexbox)
-   4.2 [Grid](#grid)
-   4.3 [Transitions](#transitions)
-   4.4 [Transforms](#transforms)
-   4.5 [Animations](#animations)
+
+    4.1 [Flexbox](#flexbox)
+
+    4.2 [Grid](#grid)
+
+    4.3 [Transitions](#transitions)
+
+    4.4 [Transforms](#transforms)
+
+    4.5 [Animations](#animations)
 
 5. [Responsive Web Design](#responsive-web-design)
-   5.1 [Media Queries](#media-queries)
-   5.2 [Viewport](#viewport)
+
+    5.1 [Media Queries](#media-queries)
+
+    5.2 [Viewport](#viewport)
 
 6. [CSS Layout](#css-layout)
-   6.1 [Floats](#floats)
-   6.2 [Positioning](#positioning)
-   6.3 [Display Property](#display-property)
-   6.4 [Box Sizing](#box-sizing)
+  
+    6.1 [Floats](#floats)
+
+    6.2 [Positioning](#positioning)
+
+    6.3 [Display Property](#display-property)
+
+    6.4 [Box Sizing](#box-sizing)
 
 7. [Advanced HTML Techniques](#advanced-html-techniques)
-   7.1 [Canvas](#canvas)
-   7.2 [SVG](#svg)
-   7.3 [Web Components](#web-components)
-   7.4 [Drag and Drop](#drag-and-drop)
+
+    7.1 [Canvas](#canvas)
+
+    7.2 [SVG](#svg)
+
+    7.3 [Web Components](#web-components)
+
+    7.4 [Drag and Drop](#drag-and-drop)
 
 8. [Advanced CSS Techniques](#advanced-css-techniques)
-   8.1 [Custom Properties (CSS Variables)](#custom-properties-css-variables)
-   8.2 [CSS Grid Layout](#css-grid-layout)
-   8.3 [Filter Effects](#filter-effects)
-   8.4 [Clipping and Masking](#clipping-and-masking)
+
+    8.1 [Custom Properties (CSS Variables)](#custom-properties-css-variables)
+
+    8.2 [CSS Grid Layout](#css-grid-layout)
+
+    8.3 [Filter Effects](#filter-effects)
+
+    8.4 [Clipping and Masking](#clipping-and-masking)
 
 ## HTML Basics