Edit in JSFiddle

<nav class="navigation">
  <ul>
    <li><a href="#">Профиль</a></li><!--
    --><li><a href="#">Настройки</a></li><!--
    --><li><a href="#">Уведомления</a></li><!--
    --><li><a href="#">Выход</a></li>
  </ul>
</nav>

.navigation ul {
  font: bold 11px "Helvetica Neue", Helvetica, Arial, sans-serif;
  margin: 0;
  padding: 0;
  text-transform: uppercase;
}
.navigation li {
  display: inline-block;
}
.navigation a {
  background: #395870;
  background: linear-gradient(#49708f, #293f50);
  border-right: 1px solid rgba(0, 0, 0, .3);
  color: #fff;
  padding: 12px 20px;
  text-decoration: none;
}
.navigation a:hover {
  background: #314b60;
  box-shadow: inset 0 0 10px 1px rgba(0, 0, 0, .3);
}
.navigation li:first-child a {
  border-radius: 4px 0 0 4px;
}
.navigation li:last-child a {
  border-right: 0;
  border-radius: 0 4px 4px 0;
}