CodePen Embed - flex 中 margin auto 妙用

Live

 
<ul>
  <li>导航A</li>
  <li>导航B</li>
  <li class="login">登陆</li>
  <li>注册</li>
</ul>

Live

​x
 
ul {
  display: flex;
}
.login {
  margin-left: auto;
}
​
ul,
li {
  background: pink;
  list-style: none;
  line-height: 50px;
}
li + li {
  margin-left: 1em;
}
​

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