To apply a style to a certain group of elements on a web page, configure a css (5pts) group id class none of the above

Designing a mobile web page is a little different from designing a regular web page. name at least three features that should be considered when designing a website that is mobile phone-friendly, and briefly explain why they are important.

If an improvement creates no significant change in a product’s performance, then it is a(n) ? a0 design improvement. (there are no answer choices)

What engine component is shown in the above figure?