CSS Flashcards
In CSS, how do you select elements by their class attribute?
You select elements by their class attribute by putting a period followed by the class name
In CSS, how do you select elements by their type?
You use a type selector which is just the name of their element
In CSS, how do you select an element by its id attribute?
You would use an id selector which is a # followed by the id name.
What are the names of the individual pieces of a CSS rule?
Selector declaration block properties values
Name three different types of values you can use to specify colors in CSS.
color name, hexcode, rgb values
What CSS properties make up the box model?
border, padding margin content(width , height)
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 a class applied by a browser, but we can not add them ourselves.
What are CSS pseudo-classes useful for?
Styling elements with relation to external factors and making styling easier.
Name two types of units that can be used to adjust font-size in CSS.
px, rem or em
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?
Default flex direction is row
What is the default flex-wrap of a flex container?
Nowrap - all fit on one line
Why do two div elements “vertically stack” on one another by default?
They are block level elements
What is the default flex-direction of an element with display: flex?
row
what is the purpose of the container class?
provides a container to put elements in
Why do two div elements “vertically stack” on one another by default?
they are block level elements
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?
static
How does setting position: relative on an element affect document flow?
sits like normal
How does setting position: relative on an element affect where it appears on the page?
doesnt change anything
How does setting position: absolute on an element affect document flow?
it removes the element from document flow
How does setting position: absolute on an element affect where it appears on the page?
appear the at the top of the nearest ancestor that is not static
How do you constrain an absolutely positioned element to a containing block?
set position property that isnt static
What are the four box offset properties?
top bottom left right
what is the fixed property
an element stuck to viewport positioned relative to container, does not affect document flow. I.E. Modals
what does justify-content do?
justify content arranges flex items in a flex container along the x axis
what does align -items do?
orders flex items in a flex container along the y axis
What are the four components of “the Cascade”.
Important!, specificity, source order, inheritance
what does the term “source order” mean with respect to CSS?
the way selectors appear in. a style sheet, lower is stronger
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.
element class, id
Why is using !important considered bad practice?
overrides specificity
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.
translatexy
rotatex y
matrix
scale
skew
What is a breakpoint in responsive Web design?
size where the content starts to break in some way and styling changes
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 scales better with adjusted viewports, no matter what width it will always be that %.
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
