Hello World!
Hello World!
20px — pixels @ 96 PPI
absolute, not root relative
Hello World!
Hello World!
Hello World!
Hello World!
Hello World!
Hello World!
Hello World!
Hello World!
Hello World!
Hello World!
Hello World!
Hello World!
2.0rem — width of 'M'
root relative @ 62.5%
4.0rex — height of 'x'
root relative @ 62.5%
4.0rch — width of '0'
root relative @ 62.5%
3.0rcap — height of 'C'
root relative @ 62.5%
2.0ric — width of CJK 水
root relative @ 62.5%
1.7rlh — width of line-height
root relative @ 62.5%
Hello World!
Hello World!
Hello World!
Hello World!
Hello World!
Hello World!
1.0vw — viewport width
2.0vh — viewport height
1.0vi — root's inline axis
2.0vb — root's block axis
2.0vmin — vp's smaller dim
1.0vmax — vp's larger dim