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HomeWeb Front-endFront-end Q&AWhat does css font size mean?

What does css font size mean?

Mar 18, 2022 pm 06:29 PM
cssfont size

css font size refers to the size of the character box in the font. In CSS, font size is set using the font-size attribute, which actually sets the height of the character boxes in the font; the actual character glyph may be taller or shorter than these boxes (usually shorter).

What does css font size mean?

The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.

css font size refers to the size of the character box in the font.

In css, use the font-size attribute to set the size (size) of the font.

But in fact, the font-size attribute sets the height of the character boxes in the font; the actual character glyph may be taller or shorter than these boxes (usually shorter).

Possible values ​​for the font-size attribute:

smallerSet font-size to a smaller size than the parent element. largerSet font-size to a larger size than the parent element. Set font-size to a fixed value. Set font-size to a percentage value based on the parent element. inherit Specifies that the font size should be inherited from the parent element.
Value Description
    ##xx-small
  • x-small
  • small
  • medium
  • large
  • x-large
  • xx-large
Set the font size to different sizes, from xx-small to xx-large.

Default value: medium.

length
%
#The font corresponding to each keyword must be taller than the font corresponding to the smallest keyword, and smaller than the font corresponding to the next largest keyword.


<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<style>
			.px {
				font-size: 16px;
			}

			.pt {
				font-size: 14pt;
			}

			.in {
				font-size: .19in;
			}

			.cm {
				font-size: .8cm;
			}

			.mm {
				font-size: 8mm;
			}
		</style>
	</head>
	<body>
		<p>默认字体大小</p>
		<p class="px">字体大小: 16px</p>
		<p class="pt">字体大小: 14pt</p>
		<p class="in">字体大小: .16in</p>
		<p class="cm">字体大小: .8cm</p>
		<p class="mm">字体大小: 8mm</p>

	</body>
</html>

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