Pure CSS Progress Arrows

Progress arrows for a cart path using just CSS and :before and :after

HTML

<ul id="step">
    <li>Step 1<br/>Step 1</li>
    <li>Step 2</li>
    <li>Step 3</li>
</ul>

CSS

* {
    box-sizing: border-box;
}

#step {
    padding: 0;
    list-style-type: none;
    font-family: arial;
    font-size: 12px;
    clear: both;
    line-height: 1em;
    margin: 0;
    text-align: center;
    display:table;
    width: 100%;
}

#step li {
    float: left;
    padding: 10px 30px 10px 40px;
    background: #333;
    color: #fff;
    position: relative;
    width: 30%;
    margin: 0 10px;
}


#step li:after {
    content: '';
    border-left: 16px solid #333;
    border-top: 16px solid transparent;
    border-bottom: 16px solid transparent;
    position: absolute;
    top: 0;
    left: 100%;
    z-index: 20;
}