15 Questions
Which selector targets all the elements on the webpage?
What is the purpose of the Descendant Selector (' ') in CSS?
Targets elements based on their relationships in the HTML structure.
How can a developer combine multiple identifiers or types into one single CSS rule?
Using Grouping Selectors
What does Attribute presence selectors target in CSS?
Elements with a specific attribute, regardless of its value
Which selector is used to target the first line of a block of text?
::first-line
In CSS, what does a:hover target?
Elements when hovered over
What is the purpose of the pseudo-element ::after in CSS?
To create a pseudo-element after the element
When does an element enter the :active state in CSS?
When it has been clicked on
How does the inherit keyword work in CSS properties?
It sets the property value to be the same as its parent element
What happens when you add !important to a CSS rule?
The rule becomes more important than any other rule
How can you import another CSS file in CSS?
@import
Where should @import directives be placed in a CSS file?
Before any other CSS in the file
What is the main purpose of Bootstrap?
To build responsive websites and web applications
Which of the following is NOT a feature of Bootstrap?
Integration with back-end databases
What does Responsive Web Design aim to achieve?
Adapting website appearance for all devices
Study Notes
CSS Selectors
- The universal selector
*
targets all elements on a webpage. - The Descendant Selector
' '
is used to target elements that are descendants of another element.
Combining Identifiers
- A developer can combine multiple identifiers or types into one single CSS rule using a comma-separated list.
Attribute Presence Selectors
- Attribute presence selectors (
[attr]
) target elements that have a specific attribute, regardless of its value.
Text Styling
- The
::first-line
pseudo-element targets the first line of a block of text.
Hover Effects
- The
:hover
pseudo-class targets an element when it is hovered over.
Pseudo-elements
- The
::after
pseudo-element is used to add content after an element.
Interactive States
- An element enters the
:active
state when it is being activated by the user, such as when a button is clicked.
Inheritance
- The
inherit
keyword sets a property to its parent's value.
Overriding Styles
- Adding
!important
to a CSS rule overrides other styles with a higher specificity.
Importing Stylesheets
- Another CSS file can be imported using the
@import
directive. -
@import
directives should be placed at the top of a CSS file.
Frameworks
Bootstrap
- The main purpose of Bootstrap is to provide a responsive and mobile-first UI framework for creating web applications.
- Bootstrap does not have a built-in feature for server-side rendering.
Responsive Web Design
- Responsive Web Design aims to create websites that adapt to different screen sizes and devices.
Test your knowledge of CSS selectors with this quiz. Learn about simple selectors, ID selectors, element selectors, class selectors, and universal selectors. Explore how to combine selectors effectively.
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