CSS Overview and Syntax
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Questions and Answers

What does the acronym CSS stand for?

  • Cascading Style Standards
  • Cascading Style Sections
  • Cascading Style Sheets (correct)
  • Cascading Style Scripts

Which of the following is NOT a method of inserting CSS?

  • Internal
  • Inline
  • External
  • Tertiary (correct)

What does a CSS rule-set consist of?

  • A selector and a style element
  • A declaration block and a media query
  • A selector and a declaration block (correct)
  • A property and a value

What is the purpose of an external style sheet?

<p>To define the style for multiple web pages (A)</p> Signup and view all the answers

Which statement about inline CSS is true?

<p>It is applied using a style attribute in an HTML element. (D)</p> Signup and view all the answers

What surrounds the declarations in a CSS declaration block?

<p>Curly braces (A)</p> Signup and view all the answers

Which CSS method is most suited for maintaining consistency across a website?

<p>External CSS (B)</p> Signup and view all the answers

Which of the following is NOT a benefit of using CSS?

<p>It automatically generates HTML elements. (C)</p> Signup and view all the answers

What is the primary purpose of a div in HTML?

<p>To group other elements together (B)</p> Signup and view all the answers

How do you define a CSS class in your stylesheet?

<p>Using a dot (.) before the class name (B)</p> Signup and view all the answers

Which of the following is a correct example of using multiple classes in an HTML element?

<p>class='center underline blue' (B)</p> Signup and view all the answers

What distinguishes an ID from a class in CSS?

<p>IDs apply styles to only one specific element, while classes can be reused. (D)</p> Signup and view all the answers

What CSS property is used to display elements in a row within the main_div?

<p>display (B)</p> Signup and view all the answers

Which CSS property would correctly center text in a class?

<p>text-align: center; (B)</p> Signup and view all the answers

What effect does the CSS rule 'border: 5px outset red;' have on elements with the myDiv class?

<p>It adds a thick border that looks raised. (A)</p> Signup and view all the answers

What background color is applied to the first-green section?

<p>Green (D)</p> Signup and view all the answers

What will happen to an HTML element with the class attribute set to 'center underline'?

<p>It will center and underline the text. (C)</p> Signup and view all the answers

Which of the following correctly describes the width of the white section?

<p>It spans 60% of the parent container. (A)</p> Signup and view all the answers

What CSS rule would you use to change the text color to blue?

<p>.blue { color: blue; } (C)</p> Signup and view all the answers

Which file extension is required for saving a CSS stylesheet?

<p>.css (D)</p> Signup and view all the answers

What percentage of the total width does the second section occupy?

<p>60% (B)</p> Signup and view all the answers

What type of element is used to group content in HTML according to the provided syntax?

<p>div (C)</p> Signup and view all the answers

How is the text alignment set in the myDiv class?

<p>Center (A)</p> Signup and view all the answers

What is the height of each section in the flexbox layout?

<p>400px (A)</p> Signup and view all the answers

What will happen to the layout if display is not set to flex on the main_div?

<p>The inner elements will stack vertically. (D)</p> Signup and view all the answers

What color is the background of the first section?

<p>Green (B)</p> Signup and view all the answers

What layout method is used for arranging the child elements in the main_div?

<p>Flexbox layout (C)</p> Signup and view all the answers

If the height of the second-green section is set to 400 pixels, what will its height be?

<p>400 pixels (D)</p> Signup and view all the answers

Which property gives the navigation bar a dark background?

<p>background-color (D)</p> Signup and view all the answers

What effect occurs when a user hovers over a menu item?

<p>Background color changes (D)</p> Signup and view all the answers

What is the purpose of 'display: flex;' in the .menu class?

<p>To create a horizontal layout (A)</p> Signup and view all the answers

What command is used to remove the default list style from the menu?

<p>list-style-type: none; (C)</p> Signup and view all the answers

What is the purpose of the CSS property 'display: flex;' in the menu class?

<p>It arranges menu items in a single row. (B)</p> Signup and view all the answers

In the provided CSS, which class is responsible for changing the background color on hover?

<p>.menu li a:hover (D)</p> Signup and view all the answers

How is the submenu displayed when a user hovers over a menu item?

<p>The submenu is displayed by changing its CSS display property. (D)</p> Signup and view all the answers

What HTML element is primarily used to create an interactive image map?

<p><map> (A)</p> Signup and view all the answers

What does the 'white-space: nowrap;' CSS property do in the submenu links?

<p>It prevents text from wrapping and keeps it on one line. (B)</p> Signup and view all the answers

What is the role of 'position: absolute;' in the submenu class?

<p>It removes the submenu from the document flow and positions it as defined. (A)</p> Signup and view all the answers

What will happen if you click on the specific areas of the image defined in the image map?

<p>It will take you to a different page defined in the map. (B)</p> Signup and view all the answers

Which of the following commands is correct to create a top-level menu item?

<li></li> (B) Signup and view all the answers

What does 'min-width: 150px;' in the submenu class accomplish?

<p>It ensures the submenu does not shrink below 150 pixels in width. (C)</p> Signup and view all the answers

How is the overall user experience enhanced by using hover states for menus?

<p>It provides visual feedback to users indicating interaction. (C)</p> Signup and view all the answers

Flashcards

What is CSS?

CSS stands for Cascading Style Sheets. It's a language that describes the presentation of HTML or XML documents. It controls how elements are displayed on different devices and media.

Why use CSS?

CSS is used to define styles for web pages, this includes design, layout and variations in display for different devices and screen sizes.

CSS Rule-Set

A CSS rule-set consists of a selector and a declaration block. The selector targets an HTML element you want to style, while the declaration block contains properties and their values to define the style.

Inline Styling

Inline styling applies a unique style to a single HTML element using the 'style' attribute within that element.

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Internal Styling

Internal styling defines style rules for one HTML page within the <style> element inside the <head> section of the HTML page.

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External Styling

External styling defines style rules for multiple pages in a separate CSS file. This file is linked to the HTML page using the <link> tag within the <head> section.

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Selector

The selector in a CSS rule-set points to the specific HTML element you want to style.

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Declaration Block

The declaration block in a CSS rule-set contains properties and their values, defining the style for the selected element.

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CSS Classes

A way to apply styles to multiple elements in a webpage by giving them the same class name.

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CSS ID

A unique identifier assigned to a single element, allowing you to style that element specifically.

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What is a

element used for?

The

element groups content together. It's a versatile container for organizing and applying styles to sections of an HTML page.

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What is the 'display: flex;' property used for?

The 'display: flex;' property in CSS transforms a container (like a

) into a flexible layout, allowing its child elements to be arranged in a row or column.

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What is the purpose of the 'main_div' in the example?

The 'main_div' acts as a container for three smaller sections (first-green, white, and second-green) in the example.

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'first-green' section style

The 'first-green' section in the example is styled with a height of 400 pixels, a width of 20% of the container, and a green background color.

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'white' section style

The 'white' section is styled with a height of 400 pixels, a width of 60% of the container, and a navy blue background color.

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'second-green' section style

The 'second-green' section is styled with a height of 400 pixels, a width of 20% of the container, and a red background color.

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What is a div?

A

element in HTML is a container that groups other elements together. It allows you to apply styles or layouts to a section of your webpage.

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What is a CSS class?

A CSS class provides a way to apply styles to specific HTML elements. Classes are reusable, so you can apply the same style to multiple elements on the same webpage.

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How do you add a class to an HTML element?

You add a class to an HTML element using the "class" attribute. For example: <div class="my-class">This is a div with the 'my-class' class</div>

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How do you style a class in CSS?

You define a class in your CSS file using a dot (.) before the class name. For instance, .my-class { color: blue; } will style all elements with the class "my-class" to have a blue color.

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Combining Classes

You can apply multiple classes to a single HTML element by listing them in the "class" attribute, separated by spaces. For example: <div class="center blue underline">This is a div with three classes</div>.

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What is an ID in CSS?

An ID in CSS is used to style a unique element on the webpage. It is defined using a hash symbol (#) before the ID name. IDs are specific to one element.

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Difference between Classes and IDs

Classes are reusable and can be applied to multiple elements, while IDs are unique and should be applied to only one specific element on the webpage.

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Why use divs, classes, and IDs?

Divs, classes, and IDs are essential for structuring and styling your webpage. They help you organize content, apply specific styles to elements, and ensure consistency across your website.

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Flexbox Layout

A CSS layout model that arranges items in a one-dimensional row or column and allows flexible resizing and distribution of space.

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Width in Flexbox

The width of an element in a flexbox container is defined as a percentage of the total width of its parent container.

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Background Color

A CSS property that sets the background color of an element.

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Height in CSS

The height property in CSS defines the height of an element in pixels.

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Simple Menu

A basic navigation menu typically displayed horizontally on a webpage, allowing users to navigate to different sections of a website.

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Menu List Style

The list-style-type property in CSS controls the bullets or markers used for list items.

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Center Menu Items

The justify-content: center; property in CSS aligns menu items horizontally to the center of their container.

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Hover Effect

A visual change that occurs when a user hovers their mouse cursor over an element, often used to indicate interactivity.

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CSS Menu

A navigation menu created using CSS, typically with links to different sections of a website.

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Submenu

A secondary menu that appears when hovering over a main menu item, providing more specific options.

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CSS Properties

Attributes that define the appearance and behavior of elements, such as color, size, position, and animation.

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CSS Selector

A pattern that targets specific HTML elements to apply styles to them.

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Image Map

An interactive image where different sections can be clicked to trigger different actions, usually linking to different pages.

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HTML Area Element

A tag used within an image map to define clickable regions within an image, each with a unique link.

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Interactive Image Map

An image that allows users to click on specific parts of it to trigger different actions, like navigating to another page.

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Position: Absolute

A CSS property that removes an element from the normal document flow and allows manual positioning.

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Min-Width Property

A CSS property that sets the minimum width of an element, ensuring it never shrinks below that size.

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Study Notes

CSS Summary

  • CSS is a stylesheet language that defines how HTML elements are displayed (on screen, paper, etc.).
  • It controls the presentation of an HTML (or XML) document.
  • CSS streamlines webpage layout design across multiple pages.
  • External CSS files store styles for reuse.

CSS Syntax

  • A CSS rule-set comprises a selector and a declaration block.
  • The selector identifies the HTML element to style.
  • The declaration block contains declarations (property-value pairs).
  • Each declaration has a property name and a value, separated by a colon.
  • Declarations are separated by semicolons; the block is enclosed in curly braces.
  • Example: h1 {color: blue; font-size: 12px;}

Three Ways to Insert CSS

  • Inline: Applying styles directly within an HTML element's style attribute.
  • Internal: Defining styles within an HTML document's <style> element, usually in the <head> section.
  • External: Linking to a separate CSS file using a <link> tag in the HTML <head>. This is the common practice for larger projects.

CSS Selectors

  • Element: Selects all elements of a specific type (e.g., h1 {color: red;}).
  • Class: Selects elements with a particular class (e.g., .center {text-align: center;}). Use a '.' before the class name in CSS.
  • ID: Selects a single element with a unique ID (e.g., #header {background-color: blue;}). Use a '#' before the ID name in CSS.

Divs and CSS

  • Div: An HTML element used to container content.
  • CSS Classes: Reusable styles for multiple elements.
  • Classes in HTML: Use the class attribute to apply classes (e.g., <div class="center">).
  • Styling Classes in CSS: Use a dot (.) before the class name: .center {text-align: center;}

Additional CSS Concepts

  • IDs: Unique identifiers for elements.
  • HTML Structure: Use <div> to group related content; use <h2> and <p> for headings and paragraphs within the <div>.
  • CSS Styling: Use classes like center, underline, or blue for reusable styles.
  • External CSS: Stores styles separately from the HTML document.

More CSS Examples

  • Background colors: Apply colors to various HTML elements.

  • Text alignment: Center text within elements.

  • Interactive image maps: Allow users to navigate to different pages by clicking on image regions.

  • Flexible layouts (using flexbox): Arrange multiple elements side-by-side using display: flex. The height and width are commonly used with % (percentage).

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Related Documents

CSS Summary PDF

Description

Test your knowledge on CSS with this quiz covering the fundamentals of CSS syntax and the various ways to insert styles into HTML. Learn how to effectively use stylesheets to enhance your web pages through practical examples.

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