JSFiddle - React, Tailwind, and code Playground

HTML

<div class="navbar">
    <div class="inner-shadow button">
        &amp;    
    </div>
    <div class="no-shadow button">
        &amp;
    </div>
    <div class="no-shadow button">
        &amp;
    </div>
</div>

<br>
    <p>
        
    </p>

CSS

.navbar {
    border: 1px solid #cccccc;
    margin-top: 40px;
    margin-left: auto;
    margin-right: auto;
    height: 80px;
    padding: 0;
}
.button {
    width: 120px;
    height: 80px;
    line-height: 80px;
    text-align:center;
    font-size: 24px;
    display: inline-block;
    margin: 0 -2px;
    border-left: 1px solid #cccccc;
    padding: 0;
}
.inner-shadow {
    background-color: #ff8800;
    color: #ffffff;    
   -moz-box-shadow:    inset 0 0 10px #bb6400;
   -webkit-box-shadow: inset 0 0 10px #bb6400;
   box-shadow:         inset 0 0 10px #bb6400;
    border: 0;
}
.no-shadow {
    background-color: #f5f5f5;
    color: #666666;
}
p {
    font-family: Arial, san-serif;
}