Zach, a consultant, has recently launched a website for his business. His audience includes people who use both desktops and smartphones. Zach wants to detect the approximate pixel size of the current viewport so that it will help him selectively apply Cascading Style Sheet (CSS) rules that work best for that viewport size. Identify the concept of responsive design will help Zach get the required information.
A. Media hotspotsB. System viewportsC. Media queriesD. Meta ports

The correct answer is letter "C": Media queries.

Explanation:

A media query is a rule or group of rules introduced in a sheet with style Cascading Style Sheet (CSS) to define specific properties for different mediums. For example, with a media query, we can specify the width and height so that it adapts to the frame of a printer without changing the original content.

Thus, Zach needs a media query to detect the approximate pixel size of the viewports.

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