JSFiddle - React, Tailwind, and code Playground

HTML

<body>
    <div id="header"></div>
    <div id="body"></div>
    <div id="footer"></div>
</body>

CSS

#header {
    width: 100%;
    position: fixed;
    height: 75px;
    background-color: #00F8FD;
}

#body {
    height:600px;
    background-color: red;
    width: 100%;
}

#footer {
    height: 35px;
    width: 100%;
    background-color: #00F8FD;
}