JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li><a href="#">Type 1</a></li>
    <li><a href="#">Type 2</a></li>
    <li><a href="#">Type 3</a></li>
    <li><a href="#">Type 4</a></li>
    <li class="stretch"></li>
</ul>

CSS

li{
    display:inline-block;
    vertical-align: top;
    display: inline-block;
    *display: inline;
    zoom: 1    
}

li a {
    text-align:center;
    background-color:green;
}    

ul {
    background-color:#999999;
    border:1px solid #006666;
    height:25px;
    list-style-type:none;
    margin:0;
    padding:0;
    text-align: justify;
    -ms-text-justify: distribute-all-lines;
    text-justify: distribute-all-lines;    
}

.stretch {
    width: 100%;
    display: inline-block;
    font-size: 0;
    line-height: 0
}