inline-flex space-between sample

見ての通り複数行には適さない

HTML

<ul class="nav">
  <li class="item"><a href="#">test</a></li>
  <li class="item"><a href="#">test</a></li>
  <li class="item"><a href="#">test</a></li>
  <li class="item"><a href="#">test</a></li>
  <li class="item"><a href="#">test</a></li>
  <li class="item"><a href="#">test</a></li>
  <li class="item"><a href="#">test</a></li>
  <li class="item"><a href="#">test</a></li>
    <li class="item"><a href="#">test</a></li>

</ul>

CSS

* {
  margin: 0;
  padding: 0;
}
.nav {
  width: 320px;
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: space-between;
  border: 1px solid red;
}
.item {
  list-style-type: none;
  width: 100px;
  margin-bottom: 10px;
}
.item > a {
  display: block;
  padding: 20px 0;
  text-align: center;
  text-decoration: none;
  background-color: #49E;
  font-weight: bold;
  color: #FFF;
}