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[英]CSS Frosted glass look without backdrop-filter but including radial-gradient
[英]Frosted glass look
在CSS中,有替代背景过滤器的方法吗? 为了使此示例正常工作,我必须启用chrome:// flags /#enable-experimental-web-platform-features
body { background: url('http://verdewall.com/wp-content/uploads/2016/08/Background-Images-4H9.jpg') no-repeat center; } .glass { width: 100%; height: 500px; background: rgba(0,0,0,0.8); -webkit-backdrop-filter: contrast(4) blur(30px); backdrop-filter: contrast(4) blur(30px); }
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width"> <title>Blur</title> </head> <body> <div class="glass"> </div> </body> </html>
问题在于它下面的内容将是动态的。 因此,并非全部都是图像,而我发现的替代方法仅适用于图像。 像这里显示的模糊一样的半透明:
一种解决方法是使用剪切路径,过滤器和两次相同的内容,然后您将获得与背景过滤器相同的结果
.container { width: 200px; height: 200px; position: relative; padding:1px; } .container .glass, .container .filter { background: url('https://lorempixel.com/400/200/') center/cover; text-align:center; color:#fff; height:100%; } .filter { position: absolute; top: 0; bottom: 0; right: 0; left: 0; filter: contrast(4) blur(3px); z-index: 2; clip-path: polygon(5% 15%, 82% 30%, 83% 71%, 17% 73%); }
<div class="container"> <div class="glass"> <h1>A title</h1> <p>Some content Some content</p> </div> <div class="filter"> <h1>A title</h1> <p>Some content Some content</p> </div> </div>
您可以创建一个jQuery脚本,当包含大量内容时将为您复制内容。 您还可以考虑使用更复杂的脚本来调整所有需要的值和参数。
$('.backdrop').each(function() { var e = $(this).html(); $(this).append('<div class="filter">'+e+'</div>'); })
.container { width: 200px; height: 200px; position: relative; padding:1px; display:inline-block; } .container .glass, .container .filter { background: url('https://lorempixel.com/400/200/') center/cover; text-align:center; color:#fff; height:100%; } .filter { position: absolute; top: 0; bottom: 0; right: 0; left: 0; filter: contrast(4) blur(3px); z-index: 2; clip-path: polygon(5% 15%, 82% 30%, 83% 71%, 17% 73%); }
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <div class="container backdrop"> <div class="glass"> <h1>A title</h1> <p>Some content Some content</p> </div> </div> <div class="container"> <div class="glass"> <h1>A title</h1> <p>Some content Some content</p> </div> </div>
简单来说就是:过滤器
filter: blur(10px);
但是,您必须稍微更改一下结构。 这是一个例子:
*{ margin: 0; padding: 0; font-family: sans-serif; } main{ height: 100vh; background: url('https://images.unsplash.com/photo-1477346611705-65d1883cee1e?dpr=0.800000011920929&auto=format&fit=crop&w=1199&h=800&q=80&cs=tinysrgb&crop=') fixed no-repeat; background-size: cover; } #container{ width: 350px; height: 500px; background: inherit; position: absolute; overflow: hidden; top: 50%; left: 50%; margin-left: -175px; margin-top: -250px; border-radius: 8px; } #container:before{ width: 400px; height: 550px; content: ""; position: absolute; top: -25px; left: -25px; bottom: 0; right: 0; background: inherit; box-shadow: inset 0 0 0 200px rgba(255,255,255,0.2); filter: blur(10px); } form img{ width: 120px; height: 120px; border-radius: 100%; } form{ text-align: center; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); } input{ background: 0; width: 200px; outline: 0; border: 0; border-bottom: 2px solid rgba(255,255,255, 0.3); margin: 20px 0; padding-bottom: 10px; font-size: 18px; font-weight: bold; color: rgba(255,255,255, 0.8); } input[type="submit"]{ border: 0; border-radius: 8px; padding-bottom: 0; height: 60px; background: #df2359; color: white; cursor: pointer; transition: all 600ms ease-in-out; } input[type="submit"]:hover{ background: #C0392B; } span a{ color: rgba(255,255,255, 0.8); }
<main> <div id="container"> <form action=""> <input type="text" value=""><br> <input type="password"><br> <input type="submit" value="SIGN IN"><br> <span><a href="#">Forgot Password?</a></span> </form> </div> </main>
尝试这个:
.glass:before {
content: "";
position: fixed;
left: 0;
right: 0;
z-index: 1;
background: rgba(0,0,0,0.8);
display: block;
width:100%;
height: 100%;
-webkit-filter: blur(30px);
-moz-filter: blur(30px);
-o-filter: blur(30px);
-ms-filter: blur(30px);
filter: blur(30px);
}
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