all_in_one_HTML

CBSE Class 10 (Code 165)

Unit 2: Complete HTML & CSS Practical Reference

1. Heading Tags (h1 to h6), Paragraphs (p), & Line Breaks

This is Heading 1 (h1)

This is Heading 2 (h2)

This is Heading 3 (h3)

This is Heading 4 (h4)

This is Heading 5 (h5)

This is Heading 6 (h6)

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This is a standard paragraph element (p). Below this line, we use the break tag to jump directly to a new line without adding paragraph spacing.

Line One
Line Two (Separated by a br tag)

2. Text Styles, Fonts, and Lists

This text is Bold (b)
This text is Italic (i)
This text is Underlined (u)

This line is formatted using the legacy Font tag (face, size, color attributes).

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Ordered List with Custom Attributes (type="I", start="5")

5. First item displaying roman numeral five
6. Second item

Unordered List with Custom Attribute (type="square")

• Square marker item
• Another square marker item

Description List (dl, dt, dd)

HTML

HyperText Markup Language used to create web pages.

CSS

Cascading Style Sheets used to style web layouts.

3. Images, Superscripts, and Subscripts

Mathematical representation using Superscript (sup): (a + b)² = a² + 2ab + b²

Chemical representation using Subscript (sub): The molecular formula of water is H₂O.

4. Structural Tables (table, tr, th, td, rowspan, colspan)

Class Schedule (Colspan Merge)
Day	Period 1	Period 2
Monday / Tuesday (Rowspan Merge)	Computer Applications	Mathematics
	Science Lab	English Literature

5. Hyperlinks & Destinations (anchor tag, href, mailto, targets)

Significance of Linking: Allows seamless navigation between different web documents or sub-sections within the same document across the internet.

• Open official CBSE Academic Website in a New Tab (_blank)
• Open Government Portal within the Same Frame (_self)
• Send an Email via Mailto Anchor Protocol

6. Embedded Audio and Video Elements

Embedded Audio File Instance:

Embedded Video File Instance:

7. Interactive HTML Forms

Standard Textbox:

Secure Password Field:

Radio Buttons (Choose One): Science Commerce Humanities

Checkboxes (Select Multiple): HTML Basics CSS Styling Python Execution

List Selection Box (Multiple visual rows): Computer Applications Mathematics Science

Standard Dropdown Combobox: Delhi Region Foreign Branch Other Regional Block

8. Cascading Style Sheets Layout Properties Verification

This block demonstrates CSS structural properties: float (right), fixed width (250px), custom double outline styles, background color accents, and italic font styling variables.

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