css backdrop-blur
时间: 2023-09-21 10:02:59 浏览: 92
backdrop-blur 是一个 CSS 属性,用于在背景上添加模糊效果。它可以通过使用 `backdrop-blur` 属性来设置背景图像的模糊程度。例如:
```css
body {
backdrop-blur: 10px;
}
```
这会在整个页面的背景上添加 10px 的模糊效果。你也可以使用其他属性,例如 `backdrop-blur-radius` 和 `backdrop-blur-size`,来调整模糊的效果。
需要注意的是,这个属性目前并不是所有浏览器都支持。
相关问题
细说backdrop-filter blur ios兼容性
`backdrop-filter` 是 CSS3 中的一个属性,可用于在元素后面创建一个模糊的背景。`backdrop-filter` 中的 `blur` 值用于创建模糊效果。在 iOS Safari 中,`backdrop-filter` 属性在 iOS10 及更高版本中可用,但只支持部分值,例如 `blur`。但是,在 iOS 13 之前的版本中,并没有对 `backdrop-filter` 的支持。因此,如果您的应用程序需要在低版本的 iOS 设备上使用 `backdrop-filter`,则可以考虑使用 JavaScript 库来模拟此效果。一些流行的 JavaScript 库,例如 backdrop-filter.js 和 css-filters-polyfill,可以在不支持 `backdrop-filter` 的浏览器中模拟该效果。但是,这些库可能会影响性能,因此需要仔细考虑它们是否适合您的应用程序。
backdrop-filter
The `backdrop-filter` CSS property allows you to apply visual effects to the area behind an element. This is often used to create a frosted glass effect or blur the background of an element.
The `backdrop-filter` property takes a filter function as its value, such as `blur()`, `brightness()`, `contrast()`, `grayscale()`, `hue-rotate()`, `invert()`, `opacity()`, `saturate()`, `sepia()`, and `drop-shadow()`.
Here's an example of how to use `backdrop-filter` to create a frosted glass effect:
```
.container {
backdrop-filter: blur(10px);
background-color: rgba(255, 255, 255, 0.5);
border-radius: 10px;
padding: 20px;
}
```
In this example, the `backdrop-filter` property is set to `blur(10px)`, which blurs the area behind the element by 10 pixels. The `background-color` property is set to a semi-transparent white color to create the frosted glass effect. The `border-radius` property rounds the corners of the element, and the `padding` property adds some space between the content and the border.
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