вот что я Fiddle
ul {
display: flex;
justify-content: flex-start;
flex-direction: row;
align-items: center;
width: 100%;
height: 100px;
background: #333;
padding: 15px;
}
ul li {
padding: 15px;
margin: 5px;
background: #efefef;
border: 1px solid #ccc;
display: inline-block;
list-style: none;
}
#item-1 {
height: 50px;
}
#item-2 {
height: 70px;
}
<ul>
<li id="item-1">Home</li>
<li id="item-2">Menu</li>
<li>More</li>
<li>Stuff</li>
<li>Settings</li>
</ul>