JSFiddle - React, Tailwind, and code Playground

HTML

<body>
        <div id="wrapper">
            <div id="navbar"> nav would be here</div>
            <div id="content">
                <div id="body">
                    <div class="contentbox"></div>
                    <div id="push"></div>
                </div>                 
                <div id="footer">
                    <div id="footertext">
                         <p>footer content would go here</p>
                    </div>
                </div>

            </div>
        </div>
    </body>

CSS

html, body {
    height: 100%;
}

body {   
    background-color: #D6E0D6;
}
}

#wrapper {
    min-height: 100%;
    width: 100%;
    position: absolute;
}

#navbar {
    width: 100%;
    height: 150px;
    background-color: #386633;
}

#content {    
    width: 100%;
    position: relative;
    margin: auto;
    min-height: 100%;
}


#body {
    position: relative;
    margin-top: 10px;
    min-height: 100%;
    margin: 0 auto -80px auto;
}

#push, #footer {
    height: 80px;
    clear: both;
}

.contentbox {
    background-color: white;
    height: 300px;
    width: 90%
    margin: 10px 20px 10px 20px;
}

#footer {
    width: 100%;
    height: 80px;
    color: #91CC87;
    font-size: 10pt;
    background-color: #386633;
    line-height: 25px;
    text-align: center;
    position: relative;
    clear: both;
}

#footertext {
    position: relative;
    top: 50%;
    transform: translateY(-50%); 
}