<!DOCTYPE html> <html class=reftest-paged> <style> html{font-size:12pt} @media (overflow-block: none) { .a { display: none } } @media (overflow-block: scroll) { .b { display: none } } @media (overflow-block: paged) { .c { display: none } } @media (overflow-block: something-new-and-unknown) { .d { display: none } } @media (overflow-block) { .e { display: none } } </style> <span class=a>A</span> <span class=b>B</span> <span class=c>C</span> <span class=d>D</span> <span class=e>E</span>