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Questions and Answers
What is the purpose of the @keyframes rule in CSS?
What is the purpose of the @keyframes rule in CSS?
Which CSS property specifies the delay before an animation starts?
Which CSS property specifies the delay before an animation starts?
What is the purpose of the transition property in CSS?
What is the purpose of the transition property in CSS?
Which of the following is not a valid value for the animation-direction property?
Which of the following is not a valid value for the animation-direction property?
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What is the purpose of the animation-name property in CSS?
What is the purpose of the animation-name property in CSS?
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Which property specifies the property to transition in a CSS transition?
Which property specifies the property to transition in a CSS transition?
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What is the purpose of the 'ease-in-out' value in CSS transitions?
What is the purpose of the 'ease-in-out' value in CSS transitions?
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What is the correct syntax for defining multiple CSS transitions?
What is the correct syntax for defining multiple CSS transitions?
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What is the primary benefit of using HTML5 semantic elements?
What is the primary benefit of using HTML5 semantic elements?
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What is the purpose of the `` element in HTML5?
What is the purpose of the `` element in HTML5?
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Which HTML5 element is used to define a specific date and time?
Which HTML5 element is used to define a specific date and time?
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What is the purpose of the and elements in HTML5?
What is the purpose of the and elements in HTML5?
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Study Notes
CSS Animations and Transitions
Animations
- Define animations using the
@keyframesrule, which specifies the animation's style and duration - Use the
animationproperty to apply the animation to an element - Properties:
-
animation-name: specifies the name of the animation -
animation-duration: specifies the duration of the animation -
animation-delay: specifies the delay before the animation starts -
animation-iteration-count: specifies the number of times the animation should repeat -
animation-direction: specifies the direction of the animation (normal, reverse, alternate)
-
- Example:
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
Transitions
- Define transitions using the
transitionproperty - Properties:
-
transition-property: specifies the property to transition (e.g. width, height, background-color) -
transition-duration: specifies the duration of the transition -
transition-delay: specifies the delay before the transition starts -
transition-timing-function: specifies the timing function of the transition (e.g. linear, ease-in-out)
-
- Example:
transition: width 2s, height 2s;
HTML5 Semantic Elements
Introduction
- HTML5 introduced new semantic elements to improve the structure and meaning of web pages
- These elements provide better search engine optimization (SEO) and accessibility
Common Semantic Elements
-
header: defines the header section of a document or section -
nav: defines a section of navigation links -
main: defines the main content section of a document -
section: defines a self-contained section of related content -
article: defines an independent piece of content, such as a blog post or news article -
aside: defines a piece of content that is related to the main content, but not essential -
footer: defines the footer section of a document or section -
figureandfigcaption: define a figure and its caption
Other Semantic Elements
-
mark: defines marked or highlighted text -
time: defines a specific date and time -
progress: defines a progress bar -
meter: defines a scalar value within a known range
Note: These elements can be used to improve the structure and accessibility of web pages, but they do not affect the layout or visual appearance of the page.
CSS Animations and Transitions
Animations
- Define animations using the
@keyframesrule, specifying the animation's style and duration - Apply animations to elements using the
animationproperty - Animation properties:
-
animation-name: specifies the animation's name -
animation-duration: specifies the animation's duration -
animation-delay: specifies the delay before the animation starts -
animation-iteration-count: specifies the number of times the animation should repeat -
animation-direction: specifies the animation's direction (normal, reverse, alternate)
-
- Example animation:
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
Transitions
- Define transitions using the
transitionproperty - Transition properties:
-
transition-property: specifies the property to transition (e.g. width, height, background-color) -
transition-duration: specifies the transition's duration -
transition-delay: specifies the delay before the transition starts -
transition-timing-function: specifies the timing function of the transition (e.g. linear, ease-in-out)
-
- Example transition:
transition: width 2s, height 2s;
HTML5 Semantic Elements
Introduction
- HTML5 introduced new semantic elements to improve web page structure and meaning
- Semantic elements provide better search engine optimization (SEO) and accessibility
Common Semantic Elements
-
header: defines the header section of a document or section -
nav: defines a section of navigation links -
main: defines the main content section of a document -
section: defines a self-contained section of related content -
article: defines an independent piece of content, such as a blog post or news article -
aside: defines a piece of content that is related to the main content, but not essential -
footer: defines the footer section of a document or section -
figureandfigcaption: define a figure and its caption
Other Semantic Elements
-
mark: defines marked or highlighted text -
time: defines a specific date and time -
progress: defines a progress bar -
meter: defines a scalar value within a known range
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Description
Test your knowledge of CSS animations and transitions, including the @keyframes rule, animation properties, and more. See how well you can animate your web page!
