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Questions and Answers
What is the primary purpose of Cascading Style Sheets (CSS) in web development?
What is the primary purpose of Cascading Style Sheets (CSS) in web development?
- To manage server-side scripting and database interactions.
- To handle user interactions and dynamic behavior in web applications.
- To define the content and structure of web pages.
- To enhance the visual presentation and layout of web pages. (correct)
Which of the following best describes the structure of a CSS rule-set?
Which of the following best describes the structure of a CSS rule-set?
- A property list enclosed in parentheses.
- A value list separated by commas.
- A selector followed by a declaration block. (correct)
- A declaration block followed by a selector.
In CSS syntax, what punctuation mark separates a property from its value within a declaration?
In CSS syntax, what punctuation mark separates a property from its value within a declaration?
- Period (.)
- Semicolon (;)
- Comma (,)
- Colon (:) (correct)
Which type of CSS selector is used to apply styles to a specific HTML element based on its tag name?
Which type of CSS selector is used to apply styles to a specific HTML element based on its tag name?
When should you use an ID selector in CSS?
When should you use an ID selector in CSS?
How do you denote an ID selector in CSS?
How do you denote an ID selector in CSS?
What is the primary advantage of using class selectors in CSS?
What is the primary advantage of using class selectors in CSS?
Which character is used to denote a class selector in CSS?
Which character is used to denote a class selector in CSS?
What is the purpose of the CSS grouping selector?
What is the purpose of the CSS grouping selector?
Which method of including CSS is best suited for styling an entire website consistently?
Which method of including CSS is best suited for styling an entire website consistently?
What is a key benefit of using external CSS?
What is a key benefit of using external CSS?
When is internal CSS most appropriate to use?
When is internal CSS most appropriate to use?
How is internal CSS embedded within an HTML document?
How is internal CSS embedded within an HTML document?
For what purpose is inline CSS primarily used?
For what purpose is inline CSS primarily used?
How is inline CSS applied to an HTML element?
How is inline CSS applied to an HTML element?
According to CSS cascading order, which style declaration has the highest priority?
According to CSS cascading order, which style declaration has the highest priority?
What is the 'cascade' in Cascading Style Sheets referring to?
What is the 'cascade' in Cascading Style Sheets referring to?
If there are conflicting styles defined in external CSS, internal CSS, and inline CSS for the same element, which style will be applied?
If there are conflicting styles defined in external CSS, internal CSS, and inline CSS for the same element, which style will be applied?
What file extension must be used when saving an external CSS file?
What file extension must be used when saving an external CSS file?
Which HTML tag is used to link an external style sheet to an HTML document?
Which HTML tag is used to link an external style sheet to an HTML document?
Flashcards
What is CSS?
What is CSS?
CSS is a design language used to simplify making web pages presentable.
What does CSS describe?
What does CSS describe?
CSS describes how HTML elements are displayed.
Why use CSS?
Why use CSS?
CSS is used to define styles for web pages, including design and layout.
Simple Selectors
Simple Selectors
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Combinator Selectors
Combinator Selectors
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Pseudo-Class Selectors
Pseudo-Class Selectors
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Element Selector
Element Selector
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Attribute Selectors
Attribute Selectors
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Pseudo-Elements Selectors
Pseudo-Elements Selectors
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CSS ID Selector
CSS ID Selector
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CSS Grouping Selector
CSS Grouping Selector
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External CSS
External CSS
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CSS Class Selector
CSS Class Selector
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Internal CSS
Internal CSS
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Inline CSS
Inline CSS
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Cascading Order
Cascading Order
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Study Notes
- CSS simplifies the process of making web pages presentable.
- CSS is important for students and professionals in web development.
What is CSS?
- CSS stands for Cascading Style Sheets.
- CSS describes how HTML elements should be displayed on various media.
- CSS controls the layout of multiple web pages at once, saving effort.
- External style sheets are stored in CSS files.
Why Use CSS?
- CSS defines styles for web pages, covering design, layout, and display variations across devices.
CSS Solves a Big Problem
- HTML was not originally designed for formatting tags.
- HTML's purpose was to describe web page content, like headings and paragraphs.
CSS Syntax
- A CSS rule-set contains a selector and a declaration block.
- Declarations include a CSS property and a value, separated by a semicolon and end with a semicolon.
- Declaration blocks are enclosed in curly braces.
CSS Selectors
- CSS selectors target the HTML elements to be styled.
- CSS selectors are divided into five categories.
- Simple Selectors choose elements by name, id, or class.
- Combinator Selectors target HTML elements according to relationships.
- Pseudo-Class Selectors pick elements based on their state.
- Pseudo-Elements Selectors style specific parts of an element.
- Attribute Selectors target elements based on attributes or values.
- The element selector chooses HTML elements based on the element name.
CSS ID Selector
- The ID selector uses the HTML element's "id" attribute to choose a specific element.
- An element's ID is unique on a page, this selector is used to select one element.
- To select an element by ID, use a hash(#) character followed by the element’s ID.
CSS Class Selector
- Class selectors select qualities with a specific class attribute.
- To select elements of a specific class, use a period (.) followed by the class name.
CSS Grouping Selector
- Grouping Selector applies the same styles to all targeted elements.
- Note that you can organize groups according to your preferences.
Adding CSS: Three Methods
- External CSS allows changing a website's appearance by modifying one file.
- Reference the external style sheet file within the
<link>element in the<head>section of each HTML page. - External styles are defined in the
<link>element in the<head>section of an HTML page, and must be saved with a .css extension. - External CSS files should not contain HTML tags.
- Internal CSS can be used when a single page has a unique style.
- Define internal styles within the
<style>element, inside the<head>section. - Inline CSS applies a unique style to a single element.
- To use inline styles, add the style attribute to the element, the attribute can contain CSS code.
Cascading Order
- All styles on a page cascade into a virtual style sheet based on priority.
- The following lists the priorities with 1 being highest, Inline styles, external/internal style sheets and browser defaults.
- "Cascading" governs how selectors are prioritized to change a page's appearance, since a complex website can have thousands of CSS rules.
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