代码编辑器：
x
1
2
<meta charset="utf-8">3
<link href="/static/next/css/tryit.css?v=2017082407" rel="stylesheet"/> 4
<style>5
#main {6
width: 400px;7
height: 400px;8
border: 1px solid #c3c3c3;9
display: flex; /* Safari */10
flex-direction: row-reverse; /* Safari 6.1+ */11
display: flex;12
flex-direction: row-reverse;13
}14
15
#main div {16
width: 50px;17
height: 50px;18
}