Podcast
Questions and Answers
What are CSS Selectors?
What are CSS Selectors?
Patterns used to select the element(s) you want to style.
What is a CSS Combinator?
What is a CSS Combinator?
A combinator explains the relationship between the selectors.
What is a CSS Pseudo-class?
What is a CSS Pseudo-class?
Defines a special state of an element.
What is a CSS Pseudo-element?
What is a CSS Pseudo-element?
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What is a type selector in CSS?
What is a type selector in CSS?
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What is a class selector in CSS?
What is a class selector in CSS?
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What is an ID selector in CSS?
What is an ID selector in CSS?
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What is a universal selector in CSS?
What is a universal selector in CSS?
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What are the types of attribute selectors in CSS?
What are the types of attribute selectors in CSS?
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What are the 4 types of combinators in CSS?
What are the 4 types of combinators in CSS?
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What does the adjacent sibling combinator (+) do?
What does the adjacent sibling combinator (+) do?
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What does the general sibling combinator (~) do?
What does the general sibling combinator (~) do?
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What does the child combinator (>) do?
What does the child combinator (>) do?
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What does the descendant combinator ( ) do?
What does the descendant combinator ( ) do?
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What does element div, p selector do?
What does element div, p selector do?
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What does element div p selector do?
What does element div p selector do?
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What does element > element selector do?
What does element > element selector do?
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What does element + element selector do?
What does element + element selector do?
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What does element1 ~ element2 selector do?
What does element1 ~ element2 selector do?
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Study Notes
CSS Selectors
- Patterns used to select elements for styling.
CSS Combinator
- Describes the relationship between selectors.
CSS Pseudo-class
- Defines a special state of an element.
- Examples include styling elements on mouse over, differentiating between visited and unvisited links, and styling focused elements.
CSS Pseudo-element
- Styles specific parts of an element.
- Can style the first letter or line of an element and insert content before or after an element's content.
Type Selector
- Selects elements matching the specified node name.
- Syntax:
eltname - Example:
inputmatches any<input>element.
Class Selector
- Selects elements with a given class attribute.
- Syntax:
.classname - Example:
.indexmatches elements with class "index".
ID Selector
- Selects elements based on their ID attribute.
- Each ID should be unique within a document.
- Syntax:
#idname - Example:
#tocmatches the element with ID "toc".
Universal Selector
- Selects all elements in the document.
- Syntax options:
*,ns|*,*|* - Example:
*matches all elements.
Attribute Selector
- Selects elements based on attribute values.
- Syntax variations include:
-
[attr] -
[attr=value] -
[attr~=value] -
[attr|=value] -
[attr^=value] -
[attr$=value] -
[attr*=value]
-
- Example:
[autoplay]matches all elements with the "autoplay" attribute.
Combinators
- Four types of combinators defining element relationships:
- Adjacent sibling combinator
(+):Matches the second element immediately following the first. - General sibling combinator
(~):Matches the second element following the first, not necessarily immediately. - Child combinator
(>):Matches elements that are direct children of the first selector. - Descendant combinator
' ':Matches elements that are descendants of the first selector.
- Adjacent sibling combinator
Selector Examples
-
element, element:Selects all specified elements, e.g.,div, pselects all<div>and<p>elements. -
element element:Selects elements inside specified elements, e.g.,div pselects all<p>inside<div>. -
element > element:Selects elements that are direct children, e.g.,div > ptargets<p>within<div>. -
element + element:Selects elements immediately following another, e.g.,div + pselects<p>right after<div>. -
element1 ~ element2:Selects elements preceded by a specified element, e.g.,p ~ ultargets all<ul>after a<p>.
Attribute Selector Variations
-
Seven types of attribute selectors specify how elements can be selected based on attributes:
-
[attribute]:Selects elements with that attribute. -
[attribute=value]:Selects elements with a specific attribute value. -
[attribute~=value]:Selects elements with an attribute containing a specific word. -
[attribute|=value]:Selects elements with an attribute starting with a specified value. -
[attribute^=value]:Selects elements with attributes starting with specific characters. -
[attribute$=value]:Selects elements with attributes ending with specific characters. -
[attribute*=value]:Selects elements with attributes containing specific characters.
-
-
Example:
[target]matches all elements with a "target" attribute. -
Example:
[target="_blank"]matches all elements withtarget="_blank". -
Example:
[title~= "flower"]matches elements with the title attribute containing "flower".
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Description
This quiz focuses on CSS selectors, combinators, and pseudo-classes. Test your knowledge on how these elements interact and their importance in styling web pages. Ideal for students or anyone looking to improve their CSS skills.
