JSFiddle - React, Tailwind, and code Playground

HTML

<body class="table">
<div id="header" class="tableRow" id="top" role="banner">
    <div class="tableCell">
        <div>
            This is the top banner
        </div>
    </div>
</div>
<div class="tableRow tableContent">
    <div class="tableCell">
        <div id="content">
            This is the content<br />
            This is the content<br />
            This is the content<br />
            This is the content<br />This is the content<br />
            This is the content<br />
            This is the content<br />
            This is the content<br />
        </div>
    </div>
</div>
<div id="footer" class="tableRow" id="bottom">
    <div class="tableCell">
        <div>
            This is the footer
        </div>
    </div>
</div>
</body>

CSS

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}
.table {
    display: table;
    height: 100%;
    width: 100%;
    
}
.tableRow {
    display: table-row;
    text-align: center;
    height: 1px;
}

.tableCell {
    display: table-cell;
    vertical-align: middle;
    
}

.tableCell div {
    max-width: 400px;
    margin: auto;
    background-color: brown;
}

.tableContent {
    height: 100%;
    background-color: yellow;
    vertical-align: middle;
}


.contentDiv {
    margin: auto;
    position: absolute;
    top: 0; left: 0; bottom: 0; right: 0;
}

#header {
    background-color: pink;
}
#footer {
    background-color: orange;
}
#content{
    margin: 0 auto;
}