Css的background-size
WebApr 7, 2024 · 在css中,共有如下几个background属性 属性 描述 CSS background 在一个声明中设置所有的背景属性。1 background-attachment 设置背景图像是否固定或者随 … WebApr 13, 2024 · 在网页设计中,有时候我们需要使用图片作为背景来美化网页。HTML提供了多种方法来设置图片背景,本文将介绍使用CSS的background属性来设置图片背景的 …
Css的background-size
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WebThe W3Schools online code editor allows you to edit code and view the result in your browser WebFeb 21, 2024 · The background-size property is specified in one of the following ways: Using the keyword values contain or cover. Using a width value only, in which case the height defaults to auto. Using both a width and a height value, in which case the first sets … Initial value: 0% 0%: Applies to: all elements. It also applies to ::first-letter … How the images are drawn relative to the box and its borders is defined by the … The background is fixed relative to the element's contents. If the element has a … The height CSS property specifies the height of an element. By default, the …
WebThe background-size property specifies the size of the background images. There are four different syntaxes you can use with this property: the keyword syntax ("auto", "cover" and … WebCSS Syntax. background: bg-color bg-image position/bg-size bg-repeat bg-origin bg-clip bg-attachment initial inherit; Note: If one of the properties in the shorthand declaration is the bg-size property, you must use a / (slash) to separate it from the bg-position property, e.g. background:url (smiley.gif) 10px 20px/50px 50px; will result in a ...
WebJun 25, 2024 · CSS里的background-size属性能够决定如何在指定的元素里展示。. 可以随心所欲的控制背景图片的大小。. 下面让我们来看看的background-size的使用方法。. background-size的语法:. 属性值:* 其中 bg-size = [ auto ] {1,2} cover contain. background-size有几个 ... WebAbstract. This draft contains the features of CSS relating to borders and backgrounds. The main extensions compared to level 2 are borders consisting of images, boxes with multiple backgrounds, boxes with rounded corners and boxes with shadows.. CSS is a language for describing the rendering of structured documents (such as HTML and XML) on screen, …
WebApr 10, 2024 · 可以通过cover和contain来对图片进行伸缩。. 语法:. background-size:auto;/* 默认值,不改变背景图片的高度和宽度 */. background-size:100px 50px;/* 第一个值为宽,第二个值为高,当设置一个值时,将其作为图片宽度来等比缩放 */. background-size:10%;/* 0%~100%之间的任何值,将 ...
WebApr 11, 2024 · 浏览器支持background-size:text情况下: 浏览器不兼容情况下: 解决办法:如果对兼容性要求不高,且为了保证平稳退化,可以使用css的特征检测选择器@supports,虽然这个选择器本身也有兼容性问题,但是这样写至少能保证有一个默认颜色。 dyson dc33 soleplate sealWebDefinition and Usage. The radial-gradient () function sets a radial gradient as the background image. A radial gradient is defined by its center. To create a radial gradient you must define at least two color stops. dyson dc33 post motor filterWebJun 14, 2024 · The background-size property can be specified with one of the following syntaxes: Using the keyword value as ‘ auto ‘, ‘ cover ‘, and ‘ contain ‘. Using single-value … dyson dc33 multi floor upright reviewsWebOct 25, 2024 · Because the logos will have different sizes, we need a way to resize them without distorting them. Thankfully, object-fit: contain is a good solution for that. … dyson dc33 roller not turningWeb可以设置的属性分别是:background-color、background-position、background-size、background-repeat、background-origin、background-clip、background-attachment … cscs traffic marshall trainingWebbackground-size. background-size用于设置背景图片的大小 auto:默认值, 以背景图本身大小显示 cover:缩放背景图,以完全覆盖铺满元素,可能背景图片部分看不见 contain: … dyson dc33 roller brush not turningWebThe background-size property is one of the CSS3 properties. This property has five values: auto, length, percentages, cover, contain. Auto sets the background image in its original size. It's the default value. The length … cscs training centres near me