Correcting teacher:天蓬老师
Correction status:qualified
Teacher's comments:完成的不错嘛
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
*{
box-sizing: border-box;
margin: 0;
padding: 0;
}
body{
display: flex;
flex-flow: column nowrap;
}
a{
text-decoration: none;
}
header{
background-color: aquamarine;
display: flex;
flex-flow: row nowrap;
height: 50px;
border: 1px solid black;
}
header > a {
flex: 1 1;
text-align: center;
align-self: center;
}
header > a:last-of-type{
color: chocolate;
}
header > a:hover{
color: crimson;
}
.box {
display: flex;
flex-flow: row nowrap;
min-height: 20em;
justify-content: center;
margin-top: 3em;
margin-bottom: 3em;
}
aside, main{
border: 1px solid;
text-align: center;
}
aside{
flex: 0 0 10em;
}
main{
flex: 0 0 30em;
margin-left: 2em;
margin-right: 2em;
}
footer{
background-color: aquamarine;
display: flex;
flex-flow: column nowrap;
/* height: 80px; */
border: 1px solid black;
justify-content: center;
align-items: center;
}
footer > p{
}
@media screen and (max-width:880px){
.box{
flex-flow: column wrap;
}
aside{
flex: 0 0 5em;
margin-left: 2em;
margin-right: 2em;
}
main{
flex: 0 0 20em;
}
}
/* @media screen and (max-width:700px){
.box{
flex-flow: column wrap;
}
} */
</style>
</head>
<body>
<header>
<a href="">LOGO</a>
<a href="">首页</a>
<a href="">视频教程</a>
<a href="">入门教程</a>
<a href="">社区问答</a>
<a href="">技术文章</a>
<a href="">登录</a>
</header>
<div class="box">
<aside>左侧栏</aside>
<main>主栏</main>
<aside>右侧栏</aside>
</div>
<footer>
<p>php中文网:公益在线php培训,帮助PHP学习者快速成长!</p>
<p>Copyright 2014-2020 https://www.php.cn/ All Rights Reserved | 苏州跃动光标网络科技有限公司 | 苏ICP备2020058653号-1</p>
</footer>
</body>
</html>