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How does the transform-origin property affect a transformed element in CSS?

  • Defines the axis of rotation for the transformed element.
  • Determines the position of the transformed element within its parent.
  • Sets the scaling factor for the transformed element.
  • Specifies the origin of the transformation relative to the element's border box.
The transform-origin property sets the origin for transformations, such as rotations or scaling. It defines a point around which the transformation is applied, specified in terms of percentages or length values.
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To control the width of the columns in a multi-column layout, the CSS property used is column-width: ________.

  • width
  • column-size
  • column-width
  • column-length
The correct option is column-width. This property specifies the width of the columns in a multi-column layout. It can take values such as length, percentage, or the 'auto' keyword to determine the width of the columns.
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When designing a website, a developer uses multiple classes and ID selectors within their stylesheet. They notice that changes to some class styles are not taking effect. What might be the reason based on specificity rules?

  • High specificity of the ID selectors
  • Low specificity of the class selectors
  • Presence of universal (*) selector
  • Use of pseudo-classes in the stylesheet
Specificity rules in CSS dictate that ID selectors have higher specificity than class selectors. If changes to class styles are not taking effect, it may be because the ID selectors in the stylesheet have higher specificity, causing them to override the class styles. Understanding specificity is essential for resolving styling conflicts.
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A web developer is implementing a theme switcher for their website using CSS variables. They need to ensure that the colors and font sizes adjust according to the user's preferences. What should they consider when implementing this feature?

  • Applying JavaScript to handle theme switching for better control over dynamic changes.
  • Ensuring proper usage of media queries to handle different user preferences.
  • Using fixed units for colors and font sizes to maintain consistency across all devices.
  • Utilizing CSS custom properties (variables) for defining colors and font sizes and ensuring proper fallbacks for browsers that do not support CSS variables.
When implementing a theme switcher with CSS variables, it's crucial to use CSS custom properties (variables) for defining colors and font sizes. This ensures flexibility and ease of maintenance. Proper fallbacks should be provided for browsers that don't support CSS variables.
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In CSS, the ________ property can be used to specify the number of columns in a multi-column layout.

  • column-count
  • column-number
  • column-layout
  • column-span
The correct option is column-count. This property defines the number of columns an element should be divided into for a multi-column layout. It specifies the desired number of columns, and the content will automatically flow into these columns.
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A developer wants to create a text container that breaks into three columns on wide screens but remains a single column on small devices. Which CSS property combination should be used to achieve this responsive multi-column layout?

  • column-count: 3; column-width: auto;
  • columns: 3 auto;
  • flex: 1 0 33%;
  • grid-template-columns: repeat(3, 1fr);
To achieve a responsive multi-column layout, using the grid-template-columns property with repeat ensures three columns on wide screens while maintaining a single column on small devices.
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In Styled Components, the global styles that apply to the entire application are defined using the ________ helper function.

  • applyGlobalStyles
  • createGlobalStyle
  • defineGlobalStyles
  • setGlobalStyles
The createGlobalStyle helper function in Styled Components is used to define global styles that apply to the entire application, ensuring consistent styling across components and pages.
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For accessibility, using ________ in CSS can provide better control over how elements are read by screen readers.

  • accessibility-control:
  • aria-label:
  • role:
  • sr-only:
To enhance accessibility, using sr-only in CSS is beneficial. It helps provide better control over how elements are read by screen readers by visually hiding elements while keeping them accessible. aria-label and role are attributes used in HTML for accessibility, not CSS properties. accessibility-control is not a valid CSS property.
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CSS Houdini is primarily aimed at allowing developers to do what?

  • Automate the generation of HTML structure
  • Extend and enhance the capabilities of the CSS engine
  • Minify and compress CSS files
  • Standardize CSS syntax across browsers
CSS Houdini is designed to extend and enhance the capabilities of the CSS engine, allowing developers to have more control and flexibility in styling web elements.
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In a scenario where an animation should only play when an element is visible on the screen, what CSS or JavaScript features can be used to accomplish this?

  • Intersection Observer API
  • opacity, display, on-screen-check
  • scroll-event, play-animation
  • visibility, animation-delay
To play an animation only when an element is visible on the screen, the developer can use the Intersection Observer API in JavaScript. This API detects when the target element enters or exits the viewport, allowing for precise control over animation triggers.
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