Pixels are a very popular way of setting font size. With these a designer knows what the page is going to look like across browsers. The problem with pixels is that IE PC is incapable of resizing them. Ems are a nice idea. Ems can be resized by all browsers. The problem with ems is...
body{font-size:16px;/* 设置基础字体大小 */}h1{font-size:2em;/* 以em为单位,2倍基础字体大小 */} p{font-size:14px;/* 设置段落字体大小 */} 使用相对单位(如em和rem)可以使网页在不同设备上具有更好的适应性。 在应用程序中设置字体大小 (Setting Font Size in Applications) 在移动应用程序开发...
在CSS样式表中设置全局字体大小:可以通过在CSS样式表的根元素选择器(即html选择器)中设置font-size属性来控制整个HTML网页的字体大小。例如,可以使用如下代码将全局字体大小设置为16像素: 代码语言:txt 复制 html { font-size: 16px; } 这样,整个网页中的字体大小都会按照16像素进行显示。可以根据需求调整具体的...
div{font-size:1.2em;}code{font-size:0.9em;}p,a{font-size:1em;} 参加CodePen里的这个Setting Font Size in em Units(By@SitePoint) 前例中的第二个div是在另一个div元素里。我们同样设置div的元素font-size为1.2em。也就是说,第二个div的font-size是前一个div的1.2倍。例如,计算出的维基百科链接的...
The font-size CSS property sets the size of the font. Changing the font size also updates the sizes of the font size-relative <length> units, such as em, ex, and so forth.
This is also a very good reason to avoid viewport units, likevworvh, when setting font size. Those are also static, and impossible to override by the user. Atmost, a value likecalc(1rem + 1vw)might be acceptable, since that still containsremas a base. Even then, however, I’d recom...
The font-size CSS property sets the size of the font. Changing the font size also updates the sizes of the font size-relative <length> units, such as em, ex, and so forth.
The font-size CSS property sets the size of the font. Changing the font size also updates the sizes of the font size-relative <length> units, such as em, ex, and so forth.
当我们指定font-size为48px时,实际上是指定了em height或者说em square的高度为48px。但这并不是文字的真实高度,通常情况下文字的高度小于等于em height,且内容也应该包含在高度为em height的矩形中(宽度也应该小于等于em square),但这完全取决于字体设计者。换句话说,当你指定了font-size为48px时,不同的字体表...
Set Font Size With PixelsSetting the text size with pixels gives you full control over the text size:Example h1 { font-size: 40px;} h2 { font-size: 30px;} p { font-size: 14px;} Try it Yourself » Tip: If you use pixels, you can still use the zoom tool to resize the ...