What does specificity determine in CSS?
- The frequency of a style being used
- The importance of a style rule
- The order of style rules in the stylesheet
- The specificity of a selector
Specificity in CSS determines which style rule takes precedence when multiple rules target the same element.
The ::______ pseudo-element is used to apply styles to the first line of text in a block-level element.
- first-line
- first-child
- line-first
- text-first
The correct option is a) first-line. The ::first-line pseudo-element in CSS is used to style the first line of text within a block-level element, allowing for fine-tuned typography control.
In CSS Grid, the property grid-template-columns: repeat(3, ________); can be used to create three columns of equal width.
- auto
- 1fr
- equal
- 100px
The correct option is 1fr. The repeat() function in conjunction with 1fr will create three columns of equal width. auto would not ensure equal width. equal is not a valid value. 100px would fix the columns to a specific width, not making them equal.
What is a common issue encountered with icon fonts in high-DPI displays, and how is it typically addressed?
- Blurriness
- Incompatibility with browsers
- Limited color options
- Slow rendering
On high-DPI displays, such as Retina screens, icon fonts may appear blurry due to pixel scaling. This is addressed by using font-smoothing techniques like antialiasing and ensuring that the font files are designed for high-resolution displays.
When designing a photo gallery using CSS Grid, how would you ensure that each row accommodates the tallest item without stretching the shorter ones?
- Implement the grid-template-rows: repeat(auto-fill, minmax(100px, 1fr)); property on the grid container.
- Set the grid-auto-rows: minmax(100px, auto); property on the grid items.
- Use the align-items: stretch; property on the grid container.
- Use the align-self: stretch; property on the grid items.
To ensure that each row accommodates the tallest item without stretching the shorter ones, set the grid-auto-rows property on the grid items using minmax with a specified minimum height. This allows the row to adjust based on the content's height while preventing excessive stretching.
How can CSS sprites improve page load performance?
- Enhance Server-Side Caching
- Minimize File Size
- Optimize JavaScript Execution
- Reduce the Number of HTTP Requests
CSS sprites combine multiple images into a single file, reducing the number of HTTP requests made by a browser to fetch individual images. This consolidation significantly improves page load performance, especially for websites with multiple small images. While it doesn't directly impact file size or server-side caching, it plays a crucial role in optimizing web page loading times.
If an element has a set width, which box model property affects the total width of the element?
- border
- margin
- padding
- width
The width property specifies the content width of an element. However, if you have set a width and include padding or borders, the total width of the element will be affected. Understanding the box model is crucial for accurately controlling the size of elements.
What is a key advantage of using SASS Variables over CSS Variables?
- They allow for dynamic variable changes
- They are more widely supported in browsers
- They have a global scope
- They offer nesting and other features
SASS Variables offer additional features like nesting, making the code more modular and maintainable. This can be an advantage over CSS Variables, which lack some of these advanced features.
The CSS property ________ is commonly used in print stylesheets to control the visibility of elements in print.
- display-print
- visibility-print
- print-visibility
- display
The correct option is visibility-print. This CSS property is specifically used in print stylesheets to control the visibility of elements when the document is printed. The visibility-print property helps tailor the content for a better print layout.
To create a new styled component based on an existing one, the ________ method can be used in Styled Components.
- clone
- compose
- extend
- inherit
In Styled Components, the extend method is used to create a new styled component based on an existing one, allowing for easy reuse and extension of styles.
What is the role of feature detection in cross-browser compatibility?
- Detecting and handling browser capabilities
- Identifying browser versions
- Ignoring browser differences
- Styling specific features based on browser
Feature detection involves identifying and adapting to the specific capabilities of a browser, ensuring consistent performance across different browsers. It goes beyond identifying versions, focusing on handling capabilities to enhance cross-browser compatibility.
When creating a custom CSS gradient, the first color stop can be defined at the ________ position to customize its starting point.
- beginning
- commencement
- initial
- start
When creating a custom CSS gradient, the first color stop can be defined at the "beginning" position, allowing designers to customize the starting point of the gradient, influencing its overall appearance and visual impact.