JSFiddle - React, Tailwind, and code Playground

by Daedalus

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap-theme.min.css">
<div id="container">
    <div class="row">
        <div class="cell"> <span class="glyphicon glyphicon-alert"></span>
        </div>
        <div class="cell"></div>
        <div class="cell"></div>
        <div class="cell"></div>
        <div class="cell"></div>
    </div>
    <div class="row">
        <div class="cell"></div>
        <div class="cell"></div>
        <div class="cell"></div>
        <div class="cell"></div>
        <div class="cell"></div>
    </div>
</div>

CSS

#container {
    margin: 20px;
}
.row {
    padding: 0;
    height: 30px;
}
.cell {
    margin-right: -4px;
    display: inline-block;
    width: 30px !important;
    height: 30px !important;
    position: relative;
    z-index: 0;
    font-size: 18px;
    text-align: center;
    line-height: 30px;
    border-style: solid outset;
    border-width: 1px;
    border-color: black;
    background: #FFF;
}