css3 实现边栏效果

* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

.toolbar {
    width: 36px;
    height: 150px;
    position: fixed;
    bottom: 15px;
    right: 15px;
    text-align: center;
}

.toolbar a {
    width: 36px;
    display: block;
    font-size: 12px;
    padding: 4px;
    font-weight: bold;
    color: #EEE;
    cursor: pointer;
    margin-bottom: 1px;
    position: relative;
    background-color: #0A908B;
}

.toolbar a .t-layer {
    position: absolute;
    width: 200px;
    height: 200px;
    background-color: #00b3e2;
    bottom: 0;
    right: 39px;
    opacity: 0;
    filter: opacity(0);
    transform: scale(0);
    transition: all 1s;
    transform-origin: right bottom;
    box-shadow: 3px 3px 2px #CCC;
}

.toolbar a:hover .t-layer {
    opacity: 1;
    filter: opacity(1);
    transform: scale(1);
}
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>边栏工具条</title>
    <link href="dest/asset/all-min.css" rel="stylesheet">
</head>
<body>
    <div class="toolbar">
        <a><span class="t-layer"></span>微信扫码</a>
        <a><span class="t-layer"></span>微博帐号</a>
        <a><span class="t-layer"></span>QQ<br>平台</a>
        <a><span class="t-layer"></span>网页导航</a>
    </div>
</body>
</html>

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