A CSS rule applied with an ID selector will generally override a rule applied with a class selector due to its higher specificity.
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specificity
Specificity is the algorithm browsers use to determine which CSS rule applies to an element when multiple rules could apply.
Question 2
The space outside an element's border, pushing other elements away, is defined by its margin.
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margin
Margin creates space around elements, separating them from other elements on the page.
Question 3
To enable flexbox behavior, the parent element must have its display property set to flex, making it a flex container.
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container
The flex container is the parent element whose direct children become flex items, allowing them to be laid out using flexbox properties.
Question 4
In CSS Grid, the rows and columns that define the layout structure are referred to as grid tracks.
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tracks
Grid tracks are the spaces between grid lines, representing the rows and columns where grid items are placed.
Question 5
Designers use media queries to apply different styles based on device characteristics like screen width or orientation.
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queries
Media queries allow CSS styles to be conditionally applied, enabling responsive design for various screen sizes and devices.
Question 6
Elements sharing common styling can be targeted using a class selector, denoted by a dot prefix.
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class
A class selector targets elements that have a specific class attribute, allowing multiple elements to share the same styles.
Question 7
The space between an element's content and its border is known as padding.
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padding
Padding adds space within an element, separating the content from its border.
Question 8
In flexbox, the direction along which flex items are laid out is called the main axis.
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main
The main axis is determined by the flex-direction property and defines the primary flow direction of flex items.
Question 9
The fr unit in CSS Grid allows for the creation of flexible grid tracks that automatically distribute available space proportionally.
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fr
The fr unit represents a fraction of the available space in the grid container, making it useful for creating responsive grid layouts.
Question 10
The viewport meta tag is crucial for responsive design as it controls the width and scaling of the web page on different devices.
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viewport
The viewport is the visible area of a web page in a browser window, and controlling its properties ensures proper rendering on various devices.
Question 11
The !important declaration can override any other declaration, but its use is generally discouraged due to potential styling conflicts and debugging difficulties.
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!important
!important gives a declaration the highest possible specificity, overriding all other styles except for other !important declarations later in the cascade.
Question 12
When the box-sizing property is set to border-box, the specified width and height of an element include its padding and border.
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border-box
The border-box model simplifies layout calculations by including padding and border within the element's defined width and height.
Question 13
The justify-content property in flexbox is used to align flex items along the main axis.
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justify-content
justify-content distributes space between or around flex items along the main axis of the flex container.
Question 14
To define the number and size of columns in a grid layout, one uses the grid-template-columns property.
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grid-template-columns
grid-template-columns explicitly defines the column tracks of a grid, specifying their sizes and count.
Question 15
A mobile-first approach to responsive design involves styling for smaller screens initially and then progressively enhancing the layout for larger screens.
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mobile-first
Mobile-first design prioritizes the core content and functionality for mobile users, then adds more complex layouts and features for larger screens.
Question 16
A pseudo-class is used to select elements that are in a special state, such as :hover for an element being moused over.
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pseudo-class
Pseudo-classes allow targeting of elements based on their state, position, or other characteristics not found in the document tree.
Question 17
The align-items property controls how flex items are aligned along the cross axis within their flex container.
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align-items
align-items sets the default alignment for all flex items along the cross axis, perpendicular to the main axis.
Question 18
A descendant selector targets an element that is nested inside another element, regardless of how many levels deep it is.
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descendant
A descendant selector selects an element that is a descendant of another specified element, using a space between the two selectors.
Question 19
The actual text, images, or other media within an element constitutes its content area.
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content
The content area is the innermost part of the CSS box model, where the element's actual visual or textual information resides.