CSS Border

Duration: 13 min

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Inside: a video lesson and guided study material.

Module outline

  1. About the Course: About the Course
  2. Section 1 | Language (Hindi): भाषा, लिपि, ध्वनि, वर्ण, अक्षर, स्वर, व्यंजन, मात्रा और संयुक्ताक्षर, वर्तनी, वर्ण-विन्यास, अनुस्वार, अनुनासिक, चंद्रबिंदु और ‘र’ के रूप, शब्द, पद और शब्द-भेद, संज्ञा और सर्वनाम, विशेषण और क्रिया, लिंग, वचन, पुरुष और कारक, काल, वाच्य, वाक्य और वाक्य-भेद, संधि, समास, विलोम शब्द, पर्यायवाची शब्द, सामान्य अशुद्धियाँ, अनेक शब्दों के लिए एक शब्द, मुहावरे और लोकोक्तियाँ, अपठित गद्यांश और अपठित पद्यांश, Multi-Topic Content (Cross-Concept Material), वर्णमाला
  3. Section 1 | Language (उर्दू भाषा — 22 प्रश्न (निश्चित)): Spelling & Diacritics, Grammar (اسم, فعل, صفت, ضمیر), Vocabulary, Idioms & Proverbs, Comprehension
  4. Section 1 | Language (বাংলা / बांग्ला भाषा — 22 प्रश्न (निश्चित)): Bangla Script and Sounds, Bangla Grammar and Usage, Bangla Word Formation and Vocabulary, Reading and Text Interpretation
  5. Section 1 | Language (English): Vocabulary, Noun, Subject Verb Agreement (Verb Noun Agreement), Adjectives, Tenses, Pronoun, Verb, Adverb, Preposition, Articles, Determiner, Conjunction, Modals, Active Passive Voice (Voice), Direct and Indirect Speech, Sentence Correction (Error Correction), Sentence Completion (Fill in the blanks), Sentence Construction, Sentence Re-arrangements (Para Jumbles) (Narrative Sequencing), Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions), Cloze Test (Cloze Passage), Verbal Analogy (Word Based Analogy), Facts, Inference and Judgements
  6. Section 2 | Primary Maths & Reasoning: Ratio and Proportion (Ratios), Divisibility Rules, Mixture and Alligation, Permutation and Combination, Number System, HCF LCM, Sequence and Series (Series), Speed Time and Distance, Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Percentage, Average, Profit and Loss, Simple Interest and Compound Interest, Time and Work, Mensuration and Geometry, Age Problems, Arithmetic, Powers and Exponents (Surds and Indices), Algebra, Probability, Trigonometry, Syllogisms, Seating Arrangements, Blood Relations, Directions (Direction Test), Analytical Reasoning (Counting Figures Reasoning), Puzzle Solving (Puzzles), Calendar, Clock, Cubes & Dices, Venn Diagram, Data Arrangement, Inequality, Analogy, Ranking, Order and Sequence
  7. Section 2 | General Awareness (GK + Current Affairs): Polity, Physics, Biology, State Wise GK, Chemistry, History, Geography, Indian Economy, Environment, GK- Current Affairs, Static General Knowledge
  8. Section 3 | Computer System and Org. (CSO): Basics of COA, Floating Point Rep, Cache Memory Organization, Instr Formats & Modes, Programming the Basic Computer, Input Output Organisation, Register Transfer and Microoperations, Control Unit Design
  9. Section 3 | Database Management System: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, SQL, File Organization & Indexing, Relational Algebra, Relational Calculus, Transaction Management, Concurrency Control
  10. Section 3 | Operating System: Introduction to OS, Process Management, CPU Scheduling, Threads & Process Creation, Memory Management, Virtual Memory, Disc Scheduling, File Management, Process Synchronization
  11. Section 3 | Computer Networks: Introduction to CN, Data Communication, DLL: Access Control, DLL: Flow Control, DLL: Error Control, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Transport Layer Services, TL: Congestion & UDP, Application Layer, Hardware basics
  12. Section 3 | Data Structures: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing, Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Greedy Algorithms, Minimum Spanning Trees, Shortest Path Algos
  13. Section 3 | Theory Of Computation & Compiler Design: Introduction to TOC, Deterministic FA (DFA), Non-Deterministic FA, Regular Expressions, Grammar, Regular Language Properties, Moore & Mealy Machines, Pushdown Automata & CFG, Turing Machines, Intro to Compilers, Lexical Analysis, Grammar & CFG, Syntax Analysis: Top-Down, Syntax Analysis: Bottom-Up, Semantic Analysis & SDT, Intermediate Code Gen, Code Optimization
  14. Section 3 | Emerging Trends (AI, Societal Ethics & MS Office): Artificial Intelligence, Emerging Tech Trends, Society, Law & Ethics, MS Office Applications
  15. Section 3 | Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Maintenance and Configuration Management, Software Testing
  16. Section 3 | C Programming: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
  17. Section 3 | OOPS, C++, JAVA, HTML: OOPS with C++, Java, HTML Basics, CSS
  18. Section 3 | Java: Java Fundamentals, Array, String, IO & References
  19. Section 3 | Python: Introduction to Python, Tokens, Variables, Data Types, I/O, Operators & Expressions, Control Flow & Looping, Collections & Strings, Functions & Modules, File Handling & Data Analysis
  20. Section 3 | Digital Electronics: Digital Systems & Boolean Basics, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits, Number System, Number Representation
  21. Section 3 | Multimedia: Multimedia
  22. BPSC Previous Year Papers:
  23. BPSC Full Mock Tests:
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This lecture introduces CSS border properties, beginning with an overview of the six key attributes: border-style, border-width, border-color, border-side, border-shorthand, and rounded-borders. The instructor uses hand-drawn diagrams to illustrate how a border surrounds an HTML element, distinguishing the outer box from the inner content area. The lesson then transitions to a detailed breakdown of border-style, listing allowed values such as dotted, dashed, solid, and double, with live code examples and browser previews demonstrating each style. Next, the border-width property is explained, noting that it specifies the width of the four borders and can be set using pixel sizes or predefined values like thin, medium, or thick. A critical note is emphasized: border-width does not work if used alone and requires border-style. The border-color property is then covered, explaining that it sets the color of the borders using color names, HEX, RGB, HSL, or transparent values, with the same dependency on border-style. The border-side property is introduced with a 2x2 grid of diagrams showing how one, two, three, or four values apply to the top, right, bottom, and left borders in that specific order. The shorthand border property is demonstrated, combining width, style, and color in a single declaration such as border: 5px solid red. Finally, the lesson concludes with rounded borders, using the border-radius property to create elements with increasing roundness (5px, 8px, 12px), visually demonstrating the progression from a standard rounded border to the roundest border.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video introduces CSS Border properties, listing six key attributes: border-style, border-width, border-color, border-side, border-shorthand, and rounded-borders. The instructor draws a diagram illustrating a border surrounding an HTML element, forming an outer box with an inner rectangle for the content area. The lesson transitions to border-style, listing allowed values like dotted, dashed, and solid, with hand-drawn examples of each style.

  2. 2:00 – 5:00 02:00-05:00

    A live code editor and browser preview demonstrate border-style values. Red arrows connect CSS rules like p.dotted and p.dashed to their visual outputs. The instructor highlights class names linking HTML to CSS, showing dotted, dashed, solid, and double borders. The lesson transitions to border-width, explaining predefined values like thin, medium, and thick, and notes that border-width does not work if used alone.

  3. 5:00 – 10:00 05:00-10:00

    The border-width property is explained with live code examples showing thin, medium, thick, and 10px borders. The lesson transitions to border-color, which sets border colors using name, HEX, RGB, HSL, or transparent values, also requiring border-style. A 2x2 grid diagram for border-side shows how one, two, three, or four values apply in the order: top, right, bottom, left.

  4. 10:00 – 12:53 10:00-12:53

    The border shorthand property is demonstrated, combining width, style, and color in a single declaration such as border: 5px solid red. The lesson concludes with rounded borders using the border-radius property. Code defines classes round1, round2, and round3 with border-radius values of 5px, 8px, and 12px, visually demonstrating the progression from a standard rounded border to the roundest border.

The lecture follows a structured progression from basic border concepts to advanced shorthand and rounded borders. Key dependencies are emphasized: both border-width and border-color require border-style to function. The border-side property uses a specific order (top, right, bottom, left) for applying multiple values. The shorthand property simplifies declarations by combining width, style, and color. Visual demonstrations consistently pair code with browser output to reinforce understanding.

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