在线代码编辑-前端学堂

<!doctype html>
<html>
 <head>
 <meta charset=utf-8>
 <title>FED123 demo</title>
 <style>
.chaplin {
 width: 40em;
 height: 30em;
 font-size: 10px;
 background-color: #eee;
 box-shadow: 0 0 3em rgba(0, 0, 0, 0.2);
 display: flex;
 flex-direction: column;
 align-items: center;
 position: relative;
 color: #555;
 transition: 1s linear;
}

.chaplin:hover {
    box-shadow: 0 0 4em 1em rgba(0, 0, 0, 0.2);
}

.hat {
    position: absolute;
    width: 6.4em;
    height: 4.6em;
    background-color: currentColor;
    border-radius: 2.3em 2.3em 0 0;
    top: 1.4em;
    display: flex;
    justify-content: center;
}

.hat::before {
    content: '';
    position: absolute;
    width: 10em;
    height: 0.8em;
    background-color: currentColor;
    border-radius: 0.4em;
    top: calc(100% + 0.4em);
}

.beard {
    position: absolute;
    width: 1.5em;
    height: 0;
    top: 11.6em;
    border: solid transparent;
    border-width: 0 0.4em 1em 0.4em;
    border-bottom-color: currentColor;
}

.stick {
    position: absolute;
    width: 0.8em;
    height: 10.5em;
    background-color: currentColor;
    bottom: 0;
    left: calc((100% - (5.6em - 0.8em)) / 2);
}

.stick::before {
    content: '';
    position: absolute;
    box-sizing: border-box;
    width: 5.6em;
    height: 3em;
    border: 0.8em solid;
    border-radius: 5.6em 5.6em 0 0;
    border-bottom: none;
    top: -3em;
}

.stick::after {
    content: '';
    position: absolute;
    width: 0.8em;
    height: 0.8em;
    background-color: currentColor;
    border-radius: 50%;
    left: calc(5.6em - 0.8em);
    top: -0.4em;
}

.quote {
    position: absolute;
    left: 50%;
    bottom: 2.5em;
    font-family: sans-serif;
    text-transform: uppercase;
    font-weight: bold;
    display: flex;
    flex-direction: column;
}

.quote span:nth-child(1) {
    letter-spacing: 0.05em;
}

.quote span:nth-child(2) {
    font-size: 1.6em;
}

.quote span:nth-child(1),
.quote span:nth-child(3) {
    filter: opacity(0);
    transition: 1s ease-in;
}

.chaplin:hover .quote span:nth-child(1),
.chaplin:hover .quote span:nth-child(3) {
 filter: opacity(1);
}
</style>
 </head>
 <body>
 <h2>fed123 - 前端学堂</h2>
 为了方便各位同学在线学习，编辑代码，这里提供了简单的在线编辑器，谢谢支持！默认会把代码存在localstorage，所以不要担心代码丢失哦！
 Let‘s Coding！尽情玩弄你的代码吧！
PS: sublime 快捷键，Alt：代码提示，Ctrl+Alt：格式化代码
 <figure class="chaplin">
 
 
 
 
 a day without
 laughter
 is a day wasted
 
</figure>
 </body>
</html>