CSS - Pure CSS Slide Down Toggle

by katalin_2003

HTML

<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>

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;
    width: 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;
    width: 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"
}

JavaScript

/*
Pure CSS Slide Down Toggle. No JS. Seriously
Inspired by Layervault
*/