Flex中left right margin-left margin-right auto 的影响
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Flex</title>
<style>
ul, li {
padding: 0;
margin: 0;
list-style: none;
}
ul {
display: flex;
flex-flow: row-reverse wrap-reverse;
width: 200px;
}
li {
width: 50px;
height: 50px;
line-height: 50px;
text-align: center;
color: #fff;
font-size: 24px;
background: red;
outline: 1px solid #333;
/* left: 15px; */
/* position: relative; */
/* right: 15px; */
/* margin-left: 15px; */
}
</style>
</head>
<body>
<ul>
<li style="
/* left: 15px; */
/* position: relative; */
/* right: 15px; */
/* margin-left: 15px; */
/* margin-right: 15px; */
/* margin: 0 auto; */
">1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li style="
/* margin: 0 auto; */
margin-right: auto;
">5</li>
<li style="
/* margin: 0 auto; */
margin-left: auto;
">6</li>
</ul>
</body>
</html>
