What is CSS vw unit?
The viewport width (vw) unit is relative to 1% of the viewport's width. 100vw equals the full viewport width.
Frequently Asked Questions about vw units
What is the viewport?
The viewport is the visible area of the web page on your device's screen.
When should I use vw?
Use vw for elements that should scale relative to the screen width, like full-width layouts or responsive typography.