Apr 5, 2013 · As the title says, I want to know what exactly the CSS unit 'em' stands for. As in 'cm' stands for c enti m eter. I am not asking what 'em' is or how it is used! I couldn't find an answer on W3C. The Wikipedia article was already saying "something": The name of em is related to M. Originally the unit was derived from the width of the capital "M" in the given typeface. My interpretation of the ...

Mar 4, 2009 · I heard you should define sizes and distances in your stylesheet with em instead of in pixels. So the question is why should I use em instead of px when defining styles in CSS? Is there a good exam...

Dec 14, 2021 · The 'em' unit is equal to the computed value of the 'font-size' property of the element on which it is used. The exception is when 'em' occurs in the value of the 'font-size' property itself, in which case it refers to the font size of the parent element. It may be used for vertical or horizontal measurement. Here are the salient points.

EM- & REM-Units As also often said, em - and to bring one more player in - also rem are relative to the font-size. Where rem is always relative to the root element font-size, em is relative to the font-size of the own element or the last parent element (can …

May 28, 2009 · The value of having it in the CSS spec, if that's what you're really asking, is exactly the same as the value of having the em unit. It enables you to set fonts to relative sizes.

Mar 6, 2014 · Now that the WebKit page-zoom bug has been fixed, what are the main reasons for using em-based media queries rather than pixel-based media queries? Bounty I'm adding a bounty to my question becau...

Oct 3, 2020 · Assuming that “converting to ems” means using the em unit for font-size, then you should set line-height in a manner that also adapts to the font size. The two properties are closely related, and if you set one of them in em and the other (e.g.) in px or pt, then the page will break if the font size is changed.

Mar 17, 2009 · em size is the width of the uppercase letter M in the current font, there is no font-dependent sizing method in Wpf Btw, WPF uses "device independent pixels" that are always 1/96 of an inch (because that's one pixels on today's monitors) so: 1 pixel is 1/96 inches 96 pixels in an inch 1.33333 pixels is a point 3.779 pixels is a mm Those are extremely inaccurate on monitors because almost all ...

Aug 9, 2010 · An em is a unit of measurement in the field of typography. This unit defines the proportion of the letter width and height with respect to the point size of the current font.

Dec 30, 2013 · The height or width of the square, an "em", is used as a unit of space used by the text. For example, from that definition, one em is the height of a line of text with the ascender and descender spaces included but without any additional inter-line spacing.