Create a media query for screen devices with a minimum width of 521 pixels. Within the media query, create a style for video elements that sets the width of the player to 360 pixels, floated on the right margin with a margin width of 10 pixels.

the answer to your question would be something called hertz. the unit of measurement called a hertz, which is one cycle per second, is used to measure clock speed. within one cycle, your computer processes, refreshes, or updates itself to the changes that it is going through. in the case of computer clock speed, one hertz equals one tick per second. the clock speed of computers is usually measured in megahertz (mhz) or gigahertz (ghz)