CSS Flashcards
What are the names of the individual pieces of a CSS rule?
Selector, declaration block, declaration and value
In CSS, how do you select elements by their class attribute?
You put a period before the class name
In CSS, how do you select elements by their tag name?
you just type out the name of the element
In CSS, how do you select an element by its id attribute?
You put a # before the id attribute
Name three different types of values you can use to specify colors in CSS.
RGB, Hex codes, Color names
What CSS properties make up the box model?
Width, Height, Padding, Border, Margin
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?
A CSS pseudo-class is an attribute added to a selector that specifies a special state of the selected element.
What are CSS pseudo-classes useful for?
They are useful for adding styles to elements under certain circumstances.
Name two types of units that can be used to adjust font-size in CSS.
Pixels, rem
What CSS property controls the font used for the text inside an element?
Font-Family
What is the default flex-direction of a flex container?
Row
What is the default flex-wrap of a flex container?
nowrap
Why do two div elements “vertically stack” on one another by default?
they are block elements
What is the default flex-direction of an element with display: flex?
Row
What are the three primary components of a page layout? (Which helper classes do you need?)
Container, row, column
What is the minimum number of columns that you should put in a row?
1
What is the purpose of a container?
To contain a layout
What is the default value for the position property of HTML elements?
Static
How does setting position: relative on an element affect document flow?
document flow is unaffected
How does setting position: relative on an element affect where it appears on the page?
it moves relative to its original position
How does setting position: absolute on an element affect document flow?
Once you set absolute to an element position it acts like it does not exist
How does setting position: absolute on an element affect where it appears on the page?
its positioned on the first non-static element
How do you constrain an absolutely positioned element to a containing block?
You put position relative on the block
What are the four box offset properties?
top, left, bottom , right
What are the four components of “the Cascade”.
source order, specificity, !important, inheritance
What does the term “source order” mean with respect to CSS?
the order of the way css 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
List the three selector types in order of increasing specificity.
type, class, id
Why is using !important considered bad practice?
It reverses
What does the transform property do?
The transform CSS property lets you rotate, scale, skew, or translate an element
Give four examples of CSS transform functions.
matrix, translate, rotate, scale
Give two examples of media features that you can query in an @media rule.
min-width, max-width
What is a breakpoint in responsive Web design?
the point at which a websites content and design will adapt a certain way in order to provide the best possible user experience
What is the advantage of using a percentage (e.g. 50%) width instead of a fixed (e.g. px) width for a “column” class in a responsive layout?
it allows you to have more wiggle room so you have less css media queries
If you introduce CSS rules for a smaller min-width after the styles for a larger min-width in your style sheet, the CSS rules for the smaller min-width will “win”. Why is that?
source order
