CSS Flashcards
What are the names of the individual pieces of a CSS rule?
selector, declaration block, property, value
In CSS, how do you select elements by their class attribute?
Using a . followed by class name
In CSS, how do you select elements by their type?
Matches elements by node name
*|h1 = matches all h1 elements
In CSS, how do you select an element by its id attribute?
Using a # followed by id name
Name three different types of values you can use to specify colors in CSS.
Color names
Rgb value
Hex value
Name two types of units that can be used to adjust font-size in CSS.
Pixels and em
What CSS property controls the font used for the text inside an element?
font-family
What CSS properties make up the box model?
Margin, border, padding, height and width
Which CSS property pushes boxes away from each other?
Margin
Which CSS property add space between a box’s content and its border?
Padding
What is a pseudo-class?
keyword added to a selector that specifies a special state of the selected element Acts like an extra value for a class attribute
What are CSS pseudo-classes useful for?
Helpful for the object on the page to do something
What is the default flex-direction of a flex container?
row
What is the default flex-wrap of a flex container?
no-wrap
Why do two div elements “vertically stack” on one another by default?
They are block elements which will start new lines
What is the default flex-direction of an element with display: flex?
row
What is the default value for the position property of HTML elements?
Normal flow
Position: static
How does setting position: relative on an element affect document flow?
Moves element in doc flow Does not affect the position of surrounding elements
How does setting position: relative on an element affect where it appears on the page?
Moves an element from the position and can shift top right left bottom of where it would have been placed
How does setting position: absolute on an element affect document flow?
Taken out of normal flow
How does setting position: absolute on an element affect where it appears on the page?
Does not affect position of any surrounding elements
Able to scroll up and down on a page
What are the four box offset properties?
Top, right, bottom, left
How do you constrain an absolutely positioned element to a containing block?
Fixed, set as not static
What are the four components of “the Cascade”.
Source Order
Inheritance
Specificity
Important
What does the term “source order” mean with respect to CSS?
the order that your CSS rules are written in your stylesheet
The last order is applied
How is it possible for the styles of an element to be applied to its children as well without an additional CSS rule?
Inheritance
certain CSS properties on a child HTML element can receive value from a parent element
List the three selector types in order of increasing specificity.
Type
Class
ID
Why is using !important considered bad practice?
makes debugging more difficult by breaking the natural cascading in your stylesheets
declaration overrides any other declarations
What does the transform property do?
changes the shape, position, and orientation of page elements.
Give four examples of CSS transform functions.
Rotate
Translate
Skew
matrix
Give two examples of media features that you can query in an @media rule.
Color
aspect-ratio
Which HTML meta tag is used in mobile-responsive web pages?
viewport
