在没有单位的检查线高度方面是否有任何缺点(浏览器/装置不一致...)?
示例:
body {
line-height: 1.5;
}
在多数情况下,实际上最好使用无单单件的行高度,见:
当然,也有例外。首先想到的是,当您拥有一个块元素时,该元素有 已知的 < em> < code> < hileight 和 的一行文字 ,并且您想要垂直地将那行文字集中到该行文字中,我发现最简单的方法就是使用与块元素的 h8 相等的 < leight 。
[仅以防万一,对于不知道单元 line-leight 交易的任何人来说。 ]
假设您有一个有 font- size: 14px 的元素。 无论它是继承的还是继承的, 如果您自己设置它还是来自用户代理样式表, 它都无关紧要。 该元素有 font- size: 14px 。
现在,如果设置,让我们假设同一元素的 < code> line- leight: 1.5 。 这将被翻译成像素, 如 < strong > 1.5 * 14px = 21px 。 因此,您计算的 < code > line- leight 将是 < code>21px 。
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