What is VH/VW (viewport height/ viewport width) in CSS?

1.	What is VH/VW (viewport height/ viewport width) in CSS?
Answer» It’s a CSS unit used to MEASURE the height and width in percentage with RESPECT to the viewport. It is used MAINLY in responsive design techniques. The measure VH is equal to 1/100 of the height of the viewport. If the height of the browser is 1000px, 1vh is equal to 10px. Similarly, if the width is 1000px, then 1 vw is equal to 10px.

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