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Questions and Answers
What does CSS stand for?
What does CSS stand for?
Cascading Style Sheet
What is the main purpose of CSS?
What is the main purpose of CSS?
To control the presentation and styling of web pages.
How many ways are there to insert CSS into HTML?
How many ways are there to insert CSS into HTML?
Three
External style sheets are ideal for applying styles to a single web page.
External style sheets are ideal for applying styles to a single web page.
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What is the name of the tag used to link an external style sheet to an HTML document?
What is the name of the tag used to link an external style sheet to an HTML document?
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An external style sheet should contain HTML tags.
An external style sheet should contain HTML tags.
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Where are internal styles defined within an HTML document?
Where are internal styles defined within an HTML document?
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What are the four CSS selector types?
What are the four CSS selector types?
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What does the . symbol indicate in a CSS selector?
What does the . symbol indicate in a CSS selector?
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What is the purpose of a Pseudo selector?
What is the purpose of a Pseudo selector?
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Study Notes
Programming Languages
- Common programming languages: Python, Java, C++, Perl, JavaScript, PHP
- These languages are often visualized in diagrams to display visual relationships between various technologies and concepts.
Cascading Style Sheets (CSS)
- Objectives: To explain and introduce the concept and use of Client Side Script (CSS)
- Cascading: Multiple styles may overlap to fully customize specific elements, following CSS cascading logic
- Style: Deals specifically with the presentation of web pages—including colour, fonts, layout, and more
- Sheet: Typically, a separate file from an HTML file, linked to the HTML file via the
<head>tag (though exceptions exist).
Why CSS?
- Enhances document appearance beyond typical HTML
- Centralizes visual commands, reducing workload on HTML documents.
- Enables using the same style across multiple pages for consistency
- Reduces page download size.
- HTML handles content and CSS handles presentation.
Referencing CSS from HTML
- Employ the
<link>tag within the<head>section to connect the external style sheet to the HTML file.- example:
<link rel="stylesheet" type="text/css" href="siti.css" />
- example:
CSS Syntax
- Selectors: Choose HTML page elements.
- Style Block: The block of code that applies styles to selected elements.
- Style Values: Applied to selected element properties.
- Typical structure: Selector { Property: Value; Property: Value; ... }
CSS Color Definition
- Methods:
- Valid Colour Names (e.g., blue)
- HEX Values (e.g., #FFFFFF for white )
- RGB Values (e.g., rgb(76, 175, 80) for a light green )
How to Insert CSS into HTML
- Methods:
- External Style Sheet: Ideal when applying styles to many pages by changing one file. The
<link>tag in the HTML file's<head>area links to the external CSS file. The CSS file must have a.cssextension . External CSS files cannot contain HTML tags. - Internal Style Sheet: Used for a single document with unique formatting. The
<style>tag in the HTML file's<head>section includes the internal CSS rules. - Inline Style: Used sparingly; adding CSS attributes directly within the tag. Usually applied to individual tags to override external or internal styles.
- External Style Sheet: Ideal when applying styles to many pages by changing one file. The
Multiple Style Sheets (External + Internal + Inline)
- Inheritance:If multiple style sheets apply rules to a selector, the more specific rule is used, overriding previous rules.
- External styles, internal styles, and inline styles can be combined and prioritized.
- Inline styles have the highest priority.
CSS Selectors
- Types:
- Element Selectors: Choose elements by type e.g
(h1) - Class Selectors: Select elements with a specific class e.g
(.legs) - ID Selectors: Select a single element with a unique ID e.g
(#snout) - Pseudo Selectors: Select elements based on a specific state e.g
(a:hover)
- Element Selectors: Choose elements by type e.g
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Description
This quiz covers fundamental concepts of programming languages and Cascading Style Sheets (CSS). You'll explore commonly used programming languages like Python, Java, and C++, alongside the attributes and benefits of using CSS for web design. Test your knowledge on how these technologies interrelate and enhance web development.
