[alisey]

And yet six years later still no widespread support for the 'safe' keyword. Which means the content can overflow the container without a way to scroll to some parts of it: https://jsfiddle.net/r50qseah/

[aerovistae]

What is the 'safe' keyword?

[alisey]

https://drafts.csswg.org/css-align-3/#overflow-values