CSS3如何实现磨砂玻璃背景效果

html-css015

CSS3如何实现磨砂玻璃背景效果,第1张

假如页面有一个背景和一个透明的盒子,我们先将盒子范围内的背景截取下来,在透明盒子之后设置一个伪元素用绝对定位格式化长宽让其跟透明盒子一样大小,在将伪元素背景设置为刚刚截取的图片设置模糊、设置z-index让伪元素在透明盒子之后,在给透明盒子设置一点阴影就好了。

核心代码如下

请问楼主是不是想要图片中的效果

下面是我的代码。自己先看看,有不懂再来问我

<!DOCTYPE html>

<html>

<head>

<meta charset="UTF-8">

<meta http-equiv="X-UA-Compatible" content="chrome=1" />

<title></title>

<style>

* {

transition: all .3s

}

.fontColor {

color: #333

}

.fontWhite {

color: #fff

}

.fontTheme {

color: #00a2e9

}

.relative {

position: relative

}

.absolute {

position: absolute

}

.pointer {

cursor: pointer

}

.none {

display: none

}

.hidden {

overflow: hidden

}

html,

body {

display: inline-block

width: 100%

height: 100%

margin: 0px

perspective: 500px

}

.body {

width: 100%

height: 100%

background: url('http://hitopdl.hicloud.com/dl/hitopdl//hitop/wallpaper/FHD/38968/small_38968.jpg') no-repeat center center

background-size: 100% auto

background-attachment: fixed

}

.loginBox {

position: absolute

top: 0px

bottom: 0px

left: 0px

right: 0px

margin: auto

box-sizing: border-box

width: 600px

height: 300px

border: 3px solid rgba(130, 130, 130, .3)

border-radius: 3px

overflow: hidden

animation: rotate-X 1s

animation-fill-mode: forwards

transform: rotateX(90deg) translateZ(0px)

transform-origin: bottom

animation-delay: .8s

}

.loginBox:hover {

border: 3px solid rgba(255, 255, 255, .26)

}

.loginBox:hover .loginBg {

filter: blur(0px)

}

.loginBg {

position: absolute

left: 0px

top: 0px

width: 100%

height: 100%

background: url('http://hitopdl.hicloud.com/dl/hitopdl//hitop/wallpaper/FHD/38968/small_38968.jpg') no-repeat center center

background-attachment: fixed

}

.loginName {

text-align: left

text-indent: 1em

font: normal normal normal 20px/34px "黑体", "微软雅黑"

width: 100%

background-color: rgba(0, 0, 0, .38)

border-bottom: 1px solid rgba(255, 255, 255, .42)

}

.close {

right: 4px

bottom: 4px

font: normal normal normal 14px/14px monaco, "黑体", "微软雅黑"

}

.loginInput {

width: 340px

height: auto

margin: 50px auto 0px auto

overflow: hidden

perspective-origin: bottom

transform-style: preserve-3d

}

.name,

.password {

color: #fff

text-indent: 1em

font: normal normal normal 14px/20px "黑体", "微软雅黑"

text-align: left

display: block

vertical-align:

margin: 10px auto

width: 340px

line-height: 32px

height: 32px

outline: none

background-color: rgba(0, 0, 0, .1)

border: none

border-bottom: 1px solid #fff

transition: all 1s

border-radius: 2px

}

.name:focus,

.password:focus {

background-color: rgba(0, 0, 0, .5)

border-bottom: 1px solid rgba(255, 255, 255, .4)

}

::-webkit-input-placeholder {

text-indent: 1em

text-align: left

color: rgba(255, 255, 255, .8)

font: normal normal normal 14px/20px "黑体", "微软雅黑"

}

.landing,

.returnPsd {

margin-top: 4px

background-color: #00a2e9

font: normal normal normal 16px/22px "黑体", "微软雅黑"

padding: 9px 22px

border-radius: 3px

cursor: pointer

}

.landing {

float: left

margin-left: 10px

}

.returnPsd {

float: right

margin-right: 10px

}

.blur4 {

filter: blur(4px)

-ms-filter: blur(4px)

-moz-filter: blur(4px)

-webkit-filter: blur(4px)

}

.msg {

font-family: "黑体"

z-index: 10

left: 50%

top: 20%

margin-left: -60px

border: 1px solid #fff

background-color: rgba(255, 255, 255, .1)

text-align: center

width: 120px

line-height: 80px

opacity: 0

animation: spring-X 2s linear

animation-fill-mode: forwards

}

@keyframes rotate-X {

0% {

transform: translateZ(0px) rotateX(90deg)

}

10% {

transform: translateZ(-50px) rotateX(90deg)

transform:

}

40% {

transform: translateZ(200px)

}

45% {

rotateX(90deg)

}

100% {

transform: translateZ(0px) rotateX(0deg)

}

}

@keyframes spring-X {

0% {

opacity: 0

}

5% {

opacity: 1

}

10% {

opacity: 1

transform: scale(1, 1)

}

15% {

opacity: 1

transform: scale(1.4, 1)

}

20% {

opacity: 1

transform: scale(0.9, 1)

}

25% {

opacity: 1

transform: scale(1.2, 1)

}

30% {

opacity: 1

transform: scale(0.9, 1)

}

33% {

opacity: 1

transform: scale(1, 1)

}

100% {

opacity: 1

transform: scale(1, 1)

}

}

</style>

</head>

<body>

<!--[if IE]>请使用非IE浏览器查看 <![endif]-->

<!--[if gte IE 7]>请使用非IE浏览器查看 <![endif]-->

<!--[if !IE]><!-->

<div class="msg absolute none fontWhite">

登陆成功

</div>

<div class="body">

<div class="loginBox hidden">

<div class="loginBg blur4"></div>

<div class="loginName fontWhite relative">登陆系统 <span class="close absolute pointer">Close</span></div>

<div class="loginInput relative">

<input class="name " type="text" placeholder="请输入你的用户名" />

<input class="password " type="password" placeholder="请输入你的密码" />

<div class="landing fontWhite">立即登陆</div>

<div class="returnPsd fontWhite">忘记密码</div>

</div>

</div>

</div>

<!--<![endif]-->

</body>

</html>

<script>

window.onload = function() {

document.querySelector(".landing").onclick = function() {

document.querySelector(".msg").classList.remove("none")

document.querySelector(".msg").addEventListener('animationend', function() {

document.querySelector(".msg").classList.add("none")

})

}

}

</script>