What does the unit 'em' mean?

Answer 1

Relative to the font-size of the element (2em means 2 times the size of the current font)

Answer 2

if font-size is not mentioned , then 1em is equal to 16pixels

Answer 3

em = PX/16

Answer 4

if author of a page sets the font-size 1 em then the user gets 1 em or 16 px font-size at 100% zoom. if the user zooms out the browser at , say, 80% then the font-size becomes 13 px. if the user zooms in the browser at, say, 180% then the font-size becomes 29 px. if author of a page sets the font-size 2.5 em then the user gets 2.5 em or 40 px font -size at 100% zoom. if the user zooms out the browser at , say, 70% then the font-size becomes 28 px. if the user zooms in the browser at, say, 160% then the font-size becomes 64 px. if author of a page sets the font-size 0.5 em then the user gets 0.5 em or 8 px font at 100% zoom. if the user zooms out the browser at , say, 60% then the font-size becomes 5 px. if the user zooms in the browser at, say, 150% then the font-size becomes 12px.

Answer 5

it is a unit that is equal to 16px

Answer 6

As much as we can have units of length in inches or centimetres ... temperature in degrees Celsius or Fahrenheit... we can measure picture size in px or em, where 1em = 16px ...or... 1px = 1/16em

Answer 7

em=px/16 you can use whichever style is easier for you though

Answer 8

It is =px/16
1 em = 16 px

Answer 9

em means strong

Answer 10

I am conformed that you didn't know HTML...