Web unit 5

Intervals of_____degrees and____ produce horizontal or vertical gradients. Values between multiples of 90 produce gradients on a slant.

90, 0

The controls attribute doesn't require what?

an assigned value

Give one example of a Boolean attribute

autoplay

How do you constrain a background to only appear behind an element's content?

background-clip: content-box

What other CSS property does column-rule work similarly to?

border

Which of these properties creates a multiple column setup?

column-count

What are multiple background image URLs separated by?

commas

What is characteristic of a lossless audio file?

file types like WAV, AIFF and FLAC maximum audio quality higher file sizes

Which declaration will render an image completely grayscale?

filter: grayscale(100%)

What does the column-span property do?

let an element go across all columns

What are some potential disadvantage of using a free video hosting service?

limited file space slower loading speeds advertisements

What is the common frame rate for web video?

30fps

What is the typical sample rate for good quality audio?

44.1kHz

What is the purpose of the property, transition-timing-function?

It changes the speed at different stages of the transition.

Which of these file types is the most common and well-supported on the web?

MPEG-4 .mp4 file type is most commonly used

What does skewing an element along a vertical axis do?

Skewing an element along the vertical axis involves rotating the top and bottom sides a number of degrees clockwise.

What will the declaration below do to its target? animation-direction: reverse;

The animation steps will play backward.

What does preload="none" do to the <audio> tag?

The browser will not load anything until clicked.

Which example will have the most extreme perspective effect?

The lower the number, the more exaggerated the perspective will be.

what is an example of a correctly written border-image shorthand declaration?

The shorthand for border-image is the file source, slice size, and repeat type, all separated by just spaces. url(image.jpg) 20 repeat

Which of the following is a NOT a characteristic of a transition?

They can be set to play on an infinite loop.

What does using 3d is this code do?: transform-style: preserve-3d

Using preserve-3d keeps child elements in the 3D space instead of flat against the parent element.

What is an example of NOT a Boolean attribute?

preload

Which of the following would make an element twice as wide?

scaleX(2)

What is the third value in the box-shadow declaration below? box-shadow: 3px 3px 2px #333333;

shadow blur

Both the ___ and _____ attributes go in <source> tags.

src (source) and type

What two properties are required to use @font-face?

src and font-family

Which of the following is required to execute a CSS animation?

the @keyframes at-rule the animation-name property the animation-duration property

What is the correct syntax for declaring multiple properties in a transition?

transition: width 2s, height 3s