abstract：<!DOCTYPE html><html><head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0">
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>我的作业</title>
<style type="text/css">
body{font-size: 13px;}
.box{width: 600px;height: 160px;border: 10px solid pink;margin: 0px auto;padding: 10px;}
img{float: left;}
.box1{float: left;margin-left: 255px;width: 150px;height: 24px;text-align: right;font-size: 14px;color: #888;}
.box1 span{font-size: 16px;font-weight: bold;}
#text{width: 600px;height: 100px;border: 1px solid #888;margin-top: 5px;}
.box #sp1,#sp2,#sp3,#sp4,#sp5,#sp6{float: left;width: 30px;height: 32px;line-height: 32px;padding-left: 26px;}
#sp1{background: url(images/an5.png)no-repeat left center;}
#sp2{background: url(images/an4.png)no-repeat left center;}
#sp3{background: url(images/an3.png)no-repeat left center;}
#sp4{background: url(images/an2.png)no-repeat left center;}
#sp5{background: url(images/an1.png)no-repeat left center;width: 40px;}
#sp6{margin-left: 160px;margin-right: 15px;color: #888;}
#bt{float: left;width: 75px;height: 30px;border: none;background: #ffc09f;color:#fff;border-radius: 5px;}
</style>
</head>
<body>
<div>
<img src="images/12.png" alt="">
<div>还可以输入 <span id="number">字</span>
</div>
<textarea id="text"></textarea>
<span id="sp1">表情</span>
<span id="sp2">图片</span>
<span id="sp3">视频</span>
<span id="sp4">话题</span>
<span id="sp5">长微博</span>
<span id="sp6">公开</span>
<input type="button" id="bt" value="发布">
</div>
</body>
</html>
跟着老师敲代码思路很清楚，自己练习总是迷糊，页面元素到处跑。。。。还是需要多练习