It's not very hard these days. You can use height: 90vh (the page is using 100vh) and set min-height as appropriate. vh unit is a percentage relative to the vie

It's not very hard these days. You can use height: 90vh (the page is using 100vh) and set min-height as appropriate. vh unit is a percentage relative to the viewport height and is already universally supported[1]. [1]: https://caniuse.com/#search=vh https://caniuse.com/#search=vh