<header>
  <nav>
    <div class="logo">Logo</div>
    <ul>
      <li><a href="#">Item 1 lorem ipsum</a></li>
      <li><a href="#">Item 2</a></li>
      <li><a href="#">Item 3</a></li>
      <li><a href="#">Longer item 4</a></li>
      <li><a href="#">Item 5</a></li>
    </ul>
  </nav>
</header>

/*
Align nav items around a centered logo
Caveat: doesn’t wrap when items overflow container width
*/

/* Quick reset, don’t do this for real ;c) */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

nav {
  background: #efefef;
  padding: 2rem 1rem;
  position: relative;
}

nav a {
  background: #bbb;
  color: #111;
  display: flex;
  padding: 1rem;
  text-decoration: none;
}

.logo {
  align-items: center;
  background: purple;
  color: #fff;
  display: flex;
  height: 5rem;
  justify-content: center;
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 5rem;
}

ul {
  display: flex;
  list-style: none;
}

li {
  display: flex;
  flex: 0 0 auto;
  left: calc(-50% - 3.5rem);
  list-style: none;
  order: 999;
  padding: 0 .5rem;
  position: relative;
}

li:first-child {
  margin-left: auto;
}

li:nth-of-type(n+3) {
  left: auto;
  order: -999;
  right: calc(-50% - 3.5rem);
}