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Jun 24, 2016 am 11:51 AM

CSS attribute font (Font)

font: [ [ || || ]? [ / ]? ]

Composite attributes, see below for each attribute.

Must contain both font-size and font-family, and the order of these two values cannot be changed. The values of other keywords are placed in front of these two values, and the order can be disrupted at will.

You can put an optional line-height value (line-height) on the font-size value (font-size) as some kind of subsidiary value of the font size, which must be followed by font-family.

font-style:normal | italic | oblique

normal: Specify the text font style as a normal font.

italic: Specifies the text font style to be italic. For special fonts that are not designed with italics, oblique will be applied if an italic look is to be used.

oblique: Specifies the text font style to be an oblique font. Artificially italicize text instead of selecting the italics in the font.

Note: The difference between italic and oblique is really not visible, at least not in the Chrom browser.

font-variant: normal | small-caps

normal: normal font.

small-caps: Small uppercase font.

font-weight: normal | bold | bolder | lighter |

normal : Normal font. Equivalent to number 400.

bold: Bold. Equivalent to number 700.

bolder: extra bold. It is also equivalent to the role of strong and b objects.

lighter: thin body.

: Use numbers to represent text font thickness. Value range: 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900.

font-size: | | |

: Adjust according to the object font. Optional parameter values: xx-small | x-small | small | medium | large | x-large | xx-large. Using medium as the basic reference, xx-small is equivalent to medium 3/5 (h6), x-small: 3/4, small: 8/9 (h5), medium: 1 (h4), large: 6/5 (h3 ), x-large: 3/2 (h2), xx-large: 2/1 (h1).

: Relative adjustment relative to the font size in the parent object. Calculated using proportional em units. Optional parameter values: smaller | larger.

: Use the length value to specify the text size. Negative values are not allowed.

: Specify text size in percentage. The percentage value is based on the size of the font in the parent object. Negative values are not allowed.

font-family: [ | ] [, | < ;generic-family>]*

: Font name. In order of priority. Separate with commas. If the font name contains spaces or Chinese characters, it should be enclosed in quotation marks.

: font sequence name.

ultra-condensed: 4 bases narrower than normal text width.

extra-condensed: 3 bases narrower than normal text width.

condensed: 2 bases narrower than the normal text width.

semi-condensed: 1 base narrower than normal text width.

normal: Normal text width.

semi-expanded: 1 base wider than normal text width.

expanded: 2 bases wider than the normal text width.

extra-expanded: 3 bases wider than the normal text width.

ultra-expanded: 4 bases wider than normal text width.

But even if it is supported, the display effect is no different from normal text.

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