<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Pure CSS Slide Down Toggle</title>
<style type="text/css">
* {
margin:0;
padding:0;
font-family:"Helvetica Neue", Helvetica, Sans-serif;
word-spacing:-2px;
}
h1 {
font-size:40px;
font-weight:bold;
color:#191919;
-webkit-font-smoothing: antialiased;
}
h2 {
font-weight:normal;
font-size:20px;
color:#888;
padding:5px 0;
}
.message {
background:#181818;
color:#FFF;
position: absolute;
top: -250px;
left: 0;
100%;
height: 250px;
padding: 20px;
transition: top 300ms cubic-bezier(0.17, 0.04, 0.03, 0.94);
overflow: hidden;
box-sizing: border-box;
}
.message h1 {
color:#FFF;
}
#toggle {
position:absolute;
appearance:none;
cursor:pointer;
left:-100%;
top:-100%;
}
#toggle + label {
position:absolute;
cursor:pointer;
padding:10px;
background: #26ae90;
100px;
border-radius: 3px;
padding: 8px 10px;
color: #FFF;
line-height:20px;
font-size:12px;
text-align:center;
-webkit-font-smoothing: antialiased;
cursor: pointer;
margin:20px 50px;
transition:all 500ms ease;
}
#toggle + label:after {
content:"Open"
}
.container {
transition: margin 300ms cubic-bezier(0.17, 0.04, 0.03, 0.94);
padding:5em 3em;
}
#toggle:checked ~ .message {
top: 0;
}
#toggle:checked ~ .container {
margin-top: 250px;
}
#toggle:checked + label {
background:#dd6149;
}
#toggle:checked + label:after {
content:"Close"
}
</style>
</head>
<body>
<input type="checkbox" name="toggle" id="toggle" />
<label for="toggle"></label>
<div class="container">
<h1>Pure CSS3 Slide Down Toggle Demo</h1>
<h2> Click the Open button to see hidden mesage.</h2>
</div>
<div class="message"><h1> hello, I'm a hidden message. You found it.</h1>
<h2>Now Click the Heart button in the bottom to support CSS3</h2>
</div>
</body>
</html>