In Flexbox, which property is used to align items vertically in the container?
- align-content
- align-items
- align-self
- justify-content
The align-items property is used to align items vertically in a Flexbox container. It applies to the container and defines the default alignment for its items.
How does using high-resolution images for Retina displays affect the overall webpage performance?
- Decreased performance as high-resolution images are cached more frequently
- Improved performance as Retina displays inherently support high-resolution images
- Increased page load time and bandwidth usage due to larger image file sizes
- Minimal impact on performance, as browsers automatically optimize high-resolution images for Retina displays
Using high-resolution images for Retina displays can negatively impact webpage performance by increasing page load time and bandwidth usage. Larger image file sizes contribute to longer loading times, especially on slower network connections. It's crucial to balance image quality with performance considerations.
How can you specify multiple animations on a single element in CSS?
- animate: animation1, animation2;
- animation-multiple: animation1, animation2;
- animation-name: animation1, animation2;
- multiple-animations: animation1, animation2;
In CSS, to specify multiple animations on a single element, you use the animation-name property followed by the names of the desired animations separated by commas. For example: animation-name: animation1, animation2;
____________ is a technique used to delay the loading of non-critical CSS resources to speed up the initial page load time.
- Async Loading
- Deferred Loading
- Lazy Loading
- Preloading
Lazy loading is a technique where non-critical resources, such as images or CSS files, are loaded only when they are needed. This helps in speeding up the initial page load time by prioritizing the loading of essential content first.
Which CSS property would you use to create a basic multi-column layout for a text block?
- column-count
- column-layout
- multi-column
- text-columns
The column-count property in CSS is used to specify the number of columns in a multi-column layout. It defines the basic structure of the layout, indicating how many columns the content should be divided into.
In designing a website that will be localized in multiple languages, including those with different writing directions, what CSS considerations should be made to accommodate this requirement?
- Relying solely on fixed-width containers
- Using flexible layout and relative units for styling
- Using pixel-based font sizes and fixed units for layout
- Utilizing absolute positioning for elements
To accommodate localization in multiple languages with different writing directions, it is crucial to use a flexible layout and relative units for styling. This ensures that the content adapts to varying text lengths and maintains a consistent appearance across languages. Avoiding fixed-width containers and absolute positioning helps in creating a responsive design suitable for diverse languages.
To target high-resolution displays in a media query, the ________ feature is commonly used.
- resolution
- device-pixel-ratio
- screen-size
- aspect-ratio
The correct option is "device-pixel-ratio." This feature is commonly used in media queries to target high-resolution displays by specifying the ratio of physical pixels to CSS pixels on the device.
The ________ property is used to control the layering of positioned elements along the z-axis.
- Display
- Float
- Position
- Z-index
The z-index property is used to control the stacking order of positioned elements.
To prevent a background gradient from repeating, you would set the background-repeat property to ________.
- anti-repeat
- no-repeat
- non-repeating
- stop-repeat
To prevent a background gradient from repeating, the "no-repeat" value is set for the background-repeat property. This ensures that the gradient is displayed only once, without repetition, creating a seamless background.
In a mobile-first approach, media queries are used primarily to add what kind of features for larger screens?
- Add additional styles and features
- Add complexity and enhance styles
- Remove unnecessary styles
- Simplify the layout
In a mobile-first approach, media queries are employed to selectively add styles and features for larger screens, optimizing the user experience on desktops and larger devices.