backdrop-filter CSS 属性可以让你为一个元素后面区域添加图形效果（如模糊或颜色偏移）。因为它适用于元素背后的所有元素，为了看到效果，必须使元素或其背景至少部分透明。
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 |
/* 关键词值 */ backdrop-filter: none; /* 指向 SVG 滤镜的 URL */ backdrop-filter: url(commonfilters.svg#filter); /* <filter-function> 滤镜函数值 */ backdrop-filter: blur(2px); backdrop-filter: brightness(60%); backdrop-filter: contrast(40%); backdrop-filter: drop-shadow(4px 4px 10px blue); backdrop-filter: grayscale(30%); backdrop-filter: hue-rotate(120deg); backdrop-filter: invert(70%); backdrop-filter: opacity(20%); backdrop-filter: sepia(90%); backdrop-filter: saturate(80%); /* 多重滤镜 */ backdrop-filter: url(filters.svg#filter) blur(4px) saturate(150%); /* 全局值 */ backdrop-filter: inherit; backdrop-filter: initial; backdrop-filter: revert; backdrop-filter: unset; |
示例：
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 |
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> <style> .box { background-color: rgba(255, 255, 255, 0.3); border-radius: 5px; font-family: sans-serif; text-align: center; line-height: 1; -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); max-width: 50%; max-height: 50%; padding: 20px 40px; } html, body { height: 100%; width: 100%; } body { background-image: linear-gradient(rgb(219, 166, 166), rgb(0, 0, 172)); background-position: center center; background-repeat: no-repeat; background-size: cover; } .container { align-items: center; display: flex; justify-content: center; height: 100%; width: 100%; } </style> </head> <body> <div class="container"> <div class="box"> <p>backdrop-filter: blur(10px)</p> </div> </div> </body> </html> |
参考:
https://developer.mozilla.org/zh-CN/docs/Web/CSS/backdrop-filter
https://www.runoob.com/try/try.php?filename=trycss_backdrop-filte