H1-H6标签最常用的字体大小是什么

我一直不确定从哪里开始作为一般最佳实践的基线。是的，我知道这取决于你的设计，但最常见的是什么？

以下是我目前的开场白:

h1 { font-size: 24px;}
h2 { font-size: 22px;}
h3 { font-size: 18px;}
h4 { font-size: 16px;}
h5 { font-size: 12px;}
h6 { font-size: 10px;}

是的，在我现在的工作中我们不使用 EM。

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Headings are normally bold-faced; that has been turned off for this demonstration of size correspondence. MSIE and Opera interpret these sizes the same, but note that Gecko browsers and Chrome interpret Heading 6 as 11 pixels instead of 10 pixels/font size 1, and Heading 3 as 19 pixels instead of 18 pixels/font size 4 (though it's difficult to tell the difference even in a direct comparison and impossible in use). It seems Gecko also limits text to no smaller than 10 pixels.

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最佳答案

It would depend on the browser's default stylesheet. You can view an (unofficial) table of CSS2.1 User Agent stylesheet defaults here.

Based on the page listed above, the default sizes look something like this:

    IE7     IE8     FF2         FF3         Opera   Safari 3.1
H1  24pt    2em     32px        32px        32px    32px
H2  18pt    1.5em   24px        24px        24px    24px
H3  13.55pt 1.17em  18.7333px   18.7167px   18px    19px
H4  n/a     n/a     n/a         n/a         n/a     n/a
H5  10pt    0.83em  13.2667px   13.2833px   13px    13px
H6  7.55pt  0.67em  10.7333px   10.7167px   10px    11px

Nowadays, all modern browsers have the same values as defaults.


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