CSS百叶窗开关特效【原创】

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页面的head部分先远程调用两个CSS样式文件、1个jQuery库和1个JS文件，代码如下：

<link type="text/css" rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/5.0.0/normalize.min.css">
<link type="text/css" rel='stylesheet prefetch' href='https://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.min.css'>
<script type="text/javascript" src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.0/jquery.min.js'></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/prefixfree/1.0.7/prefixfree.min.js"></script>

接着设置好页面个元素的样式，遮罩显示的图片也在这里设置好，代码较多，所以仅贴出部分代码：

html {
  box-sizing: border-box;
}

*, *::after, *::before {
  box-sizing: inherit;
}

*, *:before, *:after {
  box-sizing: border-box;
  outline: none;
}

body {
  width: 100%;
  height: 100vh;
  font-family: 'Source Sans Pro', sans-serif;
  font-size: 16px;
  font-smooth: auto;
  font-weight: 300;
  line-height: 1.5;
  color: #444;
  background-color: black;
  background-image: url("http://www.sucaihuo.com/jquery/22/2286/demo/image/6.jpg");
  background-position: center center;
  background-repeat: no-repeat;
  background-size: contain;
}
body:before {
  position: absolute;
  content: '';
  width: 100%;
  height: 84.25%;
  box-shadow: inset 0 0 200px 200px black;
  z-index: 1;
}

.string {
  position: absolute;
  top: -200px;
  right: 100px;
  width: 3px;
  height: 500px;
  background-color: white;
  box-shadow: 15px 15px 5px rgba(0, 0, 0, 0.3);
  transition: top 500ms ease;
  cursor: pointer;
  z-index: 100;
}
.string:before, .string:after {
  position: absolute;
  content: '';
  left: -8px;
  width: 18px;
  height: 21px;
  background-color: white;
  border-radius: 10px;
  box-shadow: 15px 15px 5px rgba(0, 0, 0, 0.3);
}
.string:before {
  bottom: -20px;
}
.string:after {
  bottom: -39px;
}

.wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 84.25%;
  box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.2);
  transition: height 1000ms ease;
  border-top: 30px solid #3E2723;
  border-right: 30px solid #3E2723;
  border-left: 30px solid #3E2723;
  z-index: 10;
}
.wrapper .guides {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-around;
  top: 17px;
  left: 10%;
  width: 2px;
  height: 95.5%;
  transition: height 1000ms ease;
  z-index: 11;
}
.wrapper .guides:nth-of-type(even) {
  left: 90%;
}
.wrapper .guides .guide {
  position: relative;
  width: 2px;
  height: 20px;
  background-color: rgba(255, 255, 255, 0.4);
  transition: all 1000ms ease;
  z-index: 999;
}

页面的body结构不算复杂，3个按钮和一些遮罩用的百叶，代码如下：

<input id='toggle' type='checkbox'>
<label class='toggle' for='toggle'>媚动百叶窗</label>
<input id='height' type='checkbox'>
<label class='height' for='height'></label>
<label class='string' for='toggle'></label>
<div class='wrapper'>
  <div class='blinds'></div>
  <div class='blinds'></div>
  <div class='blinds'></div>
  <div class='blinds'></div>
  <div class='blinds'></div>
  <div class='blinds'></div>
  <div class='blinds'></div>
  <div class='blinds'></div>
  <div class='blinds'></div>
  <div class='blinds'></div>
  <div class='blinds'></div>
  <div class='blinds'></div>
  <div class='blinds'></div>
  <div class='blinds'></div>
  <div class='blinds'></div>
  <div class='blinds'></div>
  <div class='blinds'></div>
  <div class='blinds'></div>
  <div class='blinds'></div>
  <div class='blinds'></div>
</div>
<div class='glares'>
  <div class='glare'></div>
  <div class='glare'></div>
  <div class='glare'></div>
  <div class='glare'></div>
</div>
<div class='ledge'>
  <p>轻触拉绳</p>
</div>