在线客服前端布局
代码：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>DOM实战：模拟智能在线客服系统</title>
<style type="text/css">
div:nth-child(1){
width: 450px;
height: 650px;
background: lightskyblue;
color:#333;
margin:30px auto;
box-shadow: 2px 2px 2px #808080;
}
h2{
text-align: center;
margin-bottom: -10px;
}
div:nth-child(2){
width:400px;
height:500px;
background: #efefef;
border: 4px double green;
margin: 20px auto 10px;
}
ul{
list-style:none;
padding:15px;
line-height: 2em;
}
table{
width:90%;
height:80px;
margin:0 auto;
}
textarea{
width:280px;
height:56px;
overflow: hidden;
border:none;
resize:none;
padding:2px;
background-color: lightyellow;
}
button{
width:80px;
height:59px;
line-height: 60px;
background-color:seagreen;
border:none;
color:white;
}
button:hover{
cursor:pointer;
background-color:orange;
}
</style>
</head>
<body>
<div>
<h2>在线客服</h2>
<div contenteditable="true">
<ul>
<li></li>
</ul>
</div>
<table>
<tr>
<td align="right"><textarea name="text" id="" cols="30" rows="5"></textarea></td>
<td align="right"><button type="button">发送</button></td>
</tr>
</table>
</div>
</body>
</html>