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The text was updated successfully, but these errors were encountered:
基准点为父节点字体的大小,最初是指字母M的宽度,故名em。现指的是字符宽度的倍数,用法类似百分比,如:0.8em, 1.2em,2em等。
rem rem 是根 em(root em)的缩写,rem作用于非根元素时,相对根节点html的字体大小来计算;rem作用于根元素字体大小时,相对于其出初始字体大小。
vw viewpoint width,视窗宽度,1vw=视窗宽度的1%
viewpoint height,视窗高度,1vh=视窗高度的1%
vw和vh中较小的那个。
vw和vh中较大的那个。
依赖于英文字母小 x 的高度
数字 0 的宽度
像素
厘米
英寸 (1in = 96px = 2.54cm)
point,大约1/72英寸; (1pt = 1/72in)
pica,大约 12pt,1/6英寸; (1pc = 12 pt)
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The text was updated successfully, but these errors were encountered: