You are designing a webpage layout with multiple overlapping elements. How would you ensure a specific element always remains on top without disrupting the natural flow of the document?
- position: absolute; top: 0; left: 0; z-index: 1000;
- position: relative; z-index: 999;
- position: static; z-index: -1;
- z-index: 1;
Using position: absolute; with a higher z-index ensures an element remains on top. It removes the element from the document flow but keeps it visually positioned. z-index controls the stacking order, with higher values appearing on top.
The list-style-type property can accept a string value to create custom counters, typically defined as ________.
- counter()
- counter-style()
- custom()
- list()
The list-style-type property with the counter-style() function allows you to define custom counters for list items.
The ________ property can be used to specify an image as the list item marker in an unordered list.
- image-list-style
- list-item-image
- list-style-image
- marker-image
The correct property is list-style-image. This property allows you to set an image as the marker for list items in an unordered list.
In CSS transitions, which property defines the property to which the transition effect should apply?
- transition-effect
- transition-property
- transition-subject
- transition-target
The transition-property property in CSS defines the specific property to which the transition effect should be applied. For example, transition-property: width; would apply the transition effect to the width property.
A developer needs to ensure that an SVG logo scales responsively with different screen sizes while maintaining its aspect ratio. Which SVG attribute should they focus on adjusting?
- height
- preserveAspectRatio
- viewBox
- width
In SVG, the preserveAspectRatio attribute allows developers to control how the SVG scales within its container while maintaining its aspect ratio. Adjusting this attribute ensures responsive scaling on different screen sizes.
What is the main advantage of using a CSS preprocessor?
- Better browser compatibility
- Faster rendering
- Native browser support
- Variables and reusable code
The main advantage of using a CSS preprocessor is the ability to use variables and reusable code. This promotes code reusability, consistency, and easier maintenance. While improved browser compatibility is important, the primary benefits lie in the enhanced capabilities for writing and organizing styles efficiently with features like variables, mixins, and functions.
In the context of CSS for Print, what is the significance of the orphans and widows properties?
- They control page margins
- They control the number of lines at page breaks
- They define the layout of printed elements
- They set the font size for printed text
In CSS for Print, the orphans and widows properties control the minimum number of lines for a paragraph that can appear at the top or bottom of a printed page, helping maintain better page layout.
What is a key benefit of using CSS Houdini's worklets?
- Better performance due to server-side rendering
- Improved browser compatibility
- Parallelization of CSS rendering tasks
- Simplified syntax for common styling tasks
CSS Houdini's worklets enable parallelization of CSS rendering tasks, leading to improved performance by offloading styling work to separate threads.
To create a shadow that does not blur or spread beyond the text itself, set the box-shadow ________ and ________ values to zero.
- blur, spread
- blur-radius, spread-radius
- color, opacity
- horizontal, vertical
Setting the box-shadow blur-radius and spread-radius values to zero creates a shadow that is sharp and does not extend beyond the text.
In a scenario where a website has multiple themes that can be switched by the user, what would be the best practice to handle the different CSS for themes in terms of performance?
- Combine all theme CSS into one file
- Load only the necessary CSS for the current theme
- Use JavaScript to switch between CSS files
- Use separate tags for each theme's CSS
Loading only the necessary CSS for the current theme ensures that only relevant styles are applied, reducing unnecessary load times and improving performance.