一般建议在 line-height 使用 em。因为在需要调整字体大小的时候,只需修改 font-size 的值,而 line-height 已经设置成了相对行高了。 首行缩进两个字符 在存在首行缩进的需求,我也会使用这个单位。 text-indent: 2em 复制代码 1. 2. 视口单位 vw | vh vw: 1vw = 视口宽度的 1% vh: 1vh = 视口高度的...
width: 40dvw; height: 40dvh;ExampleHere is an example of relative units (em, rem, vw, vh, %) used for font sizes:Open Compiler .unit-em { font-size: 2em; } .unit-rem { font-size: 1.5rem; } .unit-vw { font-size: 5vw; } .unit-vh { font-size: 5vh; } .unit-perce...
But nothing stopsvhfrom responding to UA chrome hiding/showing. That's not a content-based decision, it just happens as a result of user interaction. It means we have to invalidate as the chrome disappears, but otherwise is not problematic. I think we can just clarify that the viewport uni...
It’s not always ideal to set a fixed height on an element. It’s often better to set this height as aminimumvalue:min-height: 100vh. While100vhis a very handy means for setting an element’s height to the height of the viewport, there are alternatives. ...
em Relative to the font-size of the element (2em means 2 times the size of the current font) Try it ex Relative to the x-height of the current font (rarely used) Try it ch Relative to the width of the "0" (zero) Try it rem Relative to font-size of the root element Try it ...
vh (viewport height): relative to the viewport’s height. ‘px’ vs ‘em’ vs ‘rem’ In this section of this blog on CSS Font Spacing, we will focus on the three most popular and practical units: px, em, and rem. Pixels(px) ...
Example of the height property with all the values: <!DOCTYPE html> The title of the document .red-container { height: 30vh; border: 2px solid #f45e30; color: #f45e30; } .blue-container { height: 40%; width: 30%; border: 2px solid #1c87c9; color: #1c87c9; margin-top:...
1.3 图像的宽高属性 width，height 两者不能同时使用 1.4 图像的边框的属性 border ：可以为图像...
一般建议在 line-height 使用 em。因为在需要调整字体大小的时候,只需修改 font-size 的值,而line-height已经设置成了相对行高了。 首行缩进两个字符 在存在首行缩进的需求,我也会使用这个单位。 text-indent: 2em 复制代码 视口单位 vw | vh vw: 1vw = 视口宽度的 1% ...
The number of columns change based on the container width which means we are simulating container queries! We’re basically doing that just by changing viewport units for a relative percentage value. More tricks! Now that we can control the number of columns, let’s explore more tricks that ...