The API is down for maintenance. You can continue to browse the MDN Web Docs, but MDN Plus and Search might not be available. Thank you for your patience! References CSS background-size English (US) background-size Baseline Widely available This feature is well established and works across ...
Search MDN Search Theme Log in Sign up for free References CSS background-size English (US) background-size Baseline Widely available This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015. Learn more See full ...
The background-size CSS property specifies the size of the background images. The size of the image can be fully constrained or only partially in order to preserve its intrinsic ratio. Note: If the value of this property is not set in a background shorthand property that is applied to the...
background-size: contain MDN文档解释说明:缩放背景图片以完全装入背景区,可能背景区部分空白。A keyword that scales the image as large as possible andmaintains image aspect ratio(image doesn't get squished). Image is letterboxed within the container. When the image and container have different dimensi...
百分比的的MDN文档解释说明<percentage> 值,指定背景图片相对背景区(background positioning area)的百分比。背景区由background-origin设置,默认为盒模型的内容区与内边距,也可设置为只有内容区,或者还包括边框。如果attachment 为fixed,背景区为浏览器可视区(即视口),不包括滚动条。不能为负值。
一下摘自MDN。因时间原因没能好好整理学习,先引用下来,有时间时再细细整理。 background-size 设置背景图片大小。 /*关键字*/background-size: cover background-size: contain/*一个值: 这个值指定图片的宽度,图片的高度隐式的为auto*/background-size: 50% ...
根据MDN Web Docs的浏览器兼容性数据,background-size属性在以下浏览器版本及更高版本中得到了支持: Chrome: 3.0 Edge: 12 Firefox: 3.6 Internet Explorer: 9.0 Opera: 10.0 Safari: 4.1 这些浏览器版本及更高版本都支持background-size属性的initial值,因此你可以放心地在这些环境中使用background-size: initial...
如题,以前一直都是 background 和background-size 分开写,因为每次在 background 一次定义完所有属性,追加定义 backgound-size 属性的时整条样式声明就会失效(在问题末尾附上截图)。 但是MDN的文档 是包括 background-size 这个属性的: 此属性是一个 简写属性,可以在一次声明中定义一个或多个属性:background-clip...
在开发中，常有需要将⼀张图⽚作为⼀个div的背景图⽚充满div的需求 background-size的取值及解释 background-size共有三种属性，分别为 background-size: cover MDN⽂档解释说明：缩放背景图⽚以完全覆盖背景区，可能背景图⽚部分看不见。A keyword that is the inverse of contain.Scales the image ...
MDN文档:https://developer.mozilla.org... 看文档的意思好像是直接写三个属性就行了 .a{ background: url("https://... ...") center cover; } 但是自己实际写出来效果不对,自己要 .a{background: url("...") center;background-size: cover; } 才有效果,请问,应该怎么用一行写出效果 谢谢大家,...