Advanced CSS Techniques: Master Layout, Media Queries, and Preprocessors

Question 1

Which CSS layout strategy allows elements to wrap around obstacles, like images or floated elements?

Accepted Answer

Flexbox

Answer

Grid

Answer

Float

Answer

Inline-block

Question 2

In CSS Grid layout, which property specifies the number of columns?

Accepted Answer

grid-columns

Answer

grid-rows

Answer

grid-template

Answer

grid-area

Question 3

Which media query property checks for a specific screen size?

Accepted Answer

@media

Answer

@screen

Answer

@device

Answer

@width

Question 4

In CSS, what is the primary purpose of the `@import` rule?

Accepted Answer

To include the contents of another CSS file

Answer

To overwrite styles from another CSS file

Answer

To define a new CSS rule

Answer

To create a new CSS file

Question 5

Which CSS property creates rounded corners on an element?

Accepted Answer

border-radius

Answer

border-curve

Answer

curve

Answer

round-corners

Question 6

In CSS, what is the key difference between a block-level and an inline element?

Accepted Answer

Block-level elements occupy the full width of their container, while inline elements only take up the space they require.

Answer

Inline elements occupy the full width of their container, while block-level elements only take up the space they require.

Answer

Block-level elements can contain other elements, while inline elements cannot.

Answer

Inline elements can contain other elements, while block-level elements cannot.

Question 7

Grid layout, a flexible CSS layout strategy, allows for dynamic sizing of content based on available space. Select the option that correctly identifies Grid layout.

Accepted Answer

Grid layout

Answer

Flexbox layout

Answer

Table layout

Answer

Inline layout

Question 8

Media queries in CSS serve a specific purpose. Which of the following options accurately describes their function?

Accepted Answer

Applying styles to specific devices or screen sizes

Answer

Creating animations and transitions

Answer

Defining the overall webpage structure

Answer

Loading and displaying external content

Question 9

When working with CSS preprocessors, Sass stands out for its extensive functionality. Which of the following options highlights a key feature offered by Sass?

Accepted Answer

Powerful mixin and variable functionality

Answer

Advanced animation capabilities

Answer

Built-in error handling

Answer

Cross-browser compatibility

Question 10

The CSS property 'transform' offers extensive capabilities for manipulating HTML elements. Which of the following options accurately describes its functionality?

Accepted Answer

Translate, rotate, scale, and skew

Answer

Add gradients and filters

Answer

Create animations and transitions

Answer

Align and position elements

Question 11

When working with flexbox layouts in CSS, a specific unit is used to define the spacing between flex items within a flex container. Which of the following options correctly identifies this unit?

Accepted Answer

Flex units (fr)

Answer

Pixels (px)

Answer

Ems (em)

Answer

Percentages (%)

Question 12

CSS offers the 'calc()' function for advanced functionality. Which of the following options accurately describes its purpose?

Accepted Answer

Performing mathematical calculations on values

Answer

Creating custom animations

Answer

Setting the width and height of elements

Answer

Defining the position of elements

Question 13

When working with web development, CSS preprocessors offer distinct advantages. Which of the following options accurately describes the primary purpose of using a CSS preprocessor?

Accepted Answer

Enhancing code maintainability and extensibility

Answer

Reducing the number of CSS files

Answer

Creating dynamic and interactive content

Answer

Improving webpage performance

Question 14

CSS variables and preprocessor variables serve distinct purposes in web development. Which of the following options correctly describes the key difference between them?

Accepted Answer

CSS variables are global, while preprocessor variables are local to their scope

Answer

Preprocessor variables can be used in calculations, while CSS variables cannot

Answer

CSS variables are only supported in modern browsers, while preprocessor variables are supported everywhere

Answer

There is no difference between CSS variables and preprocessor variables

Question 15

Which of these is a potential drawback of using CSS preprocessors?

Accepted Answer

Longer development time

Answer

Easier code maintenance

Answer

Shorter code length

Answer

Better code quality

Question 16

What is the primary benefit of using a CSS preprocessor?

Accepted Answer

Make CSS more readable and maintainable

Answer

Extend the functionality of CSS

Answer

Compile CSS into more efficient code

Answer

Reduce the size of CSS files

Question 17

Which media query property is used to apply different styles based on the device's orientation?

Accepted Answer

orientation

Answer

device

Answer

screen

Answer

aspect-ratio

Question 18

What is the correct syntax to declare a CSS variable?

Accepted Answer

--variable-name

Answer

$variable-name

Answer

@variable-name

Answer

#variable-name

Question 19

Which CSS property can be used to create rounded corners on an element's border?

Accepted Answer

border-radius

Answer

border-curve

Answer

border-shape

Answer

border-outline

Question 20

What is the key difference between semantic and presentational HTML elements?

Accepted Answer

Semantic elements describe the meaning of content, while presentational elements define its appearance.

Answer

Presentational elements describe the meaning of content, while semantic elements define its appearance.

Answer

Both semantic and presentational elements describe the content's meaning.

Answer

Both semantic and presentational elements define the content's appearance.

Question 21

What is the purpose of using a CSS reset?

Accepted Answer

To normalize browser styles and provide a consistent styling foundation

Answer

To override all browser styles and enforce a specific design

Answer

To improve website performance

Answer

To make websites more accessible

Question 22

Which CSS property is used to control the transparency of an element?

Accepted Answer

opacity

Answer

transparency

Answer

alpha

Answer

visible