CSS Flashcards
What are the names of the individual pieces of a CSS rule?
Property and value which are separated by a colon.
In CSS, how do you select elements by their class attribute?
Use a . before the name of the class attribute.
In CSS, how do you select elements by their type?
Use the name of the element.
In CSS, how do you select an element by its id attribute?
Use a # before the name of the id attribute.
Name three different types of values you can use to specify colors in CSS.
RGB values, hex codes, and pre determined color names.
What CSS properties make up the box model?
Margin, padding, border
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 keyword added to a selector to specify the special state of the selected element.
What are CSS pseudo-classes useful for?
To apply styling to elements based on html structure/grouping or user actions without the need for a class manually applied by the dev.
Name at least two units of type size in CSS.
rem/em, pixel, %
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 is the default direction
What is the default flex-wrap of a flex container?
nowrap is the default
Why do two div elements “vertically stack” on one another by default?
By default, div elements are block 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?
It doesn’t change the document flow.
How does setting position: relative on an element affect where it appears on the page?
The element would move in relation to where it would be in normal flow.
How does setting position: absolute on an element affect document flow?
The element is taken out of the normal flow.
How does setting position: absolute on an element affect where it appears on the page?
It looks for the first non static ancestor and positions it to that element.
How do you constrain an absolutely positioned element to a containing block?
By setting the containing block to position: relative with no values.
What are the four box offset properties?
top, bottom, left, right
What are the four components of “the Cascade”.
Source Order, Inheritance, Specificity, and !important
What does the term “source order” mean with respect to CSS?
The order that your CSS rules are written. Last styling has ultimate effect.
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 selectors, then class selectors, then id selectors
Why is using !important considered bad practice?
Takes a lot more debugging to fix because it breaks the natural cascading.
What does the transform property do?
Transform lets you rotate, scale, skew, or translate an element.
Give four examples of CSS transform functions.
Translate, Scale, Rotate, Skew
The transition property is shorthand for which four CSS properties?
Delay, duration, property, timing function
Give two examples of media features that you can query in an @media rule.
Screen and print
Which HTML meta tag is used in mobile-responsive web pages?
Viewport meta tag.
What is a breakpoint in responsive Web design?
The points where the media query is introduced so the design for the space is better optimized.
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?
Easier to scale up or down based on percentages instead of being stuck at the exact pixel count.
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 in which the CSS language interprets the code.
