JSFiddle - React, Tailwind, and code Playground

HTML

<div data-role="header" class="pageheader"></div>
<div data-role="footer" class="pagefooter">
    <div class="info-icon">
        <a class="info-anchor" href="#" style="text-decoration: none; text-shadow: none; color: #ffffff;">
                    <img class="info-img" src="https://storage.googleapis.com/material-icons/external-assets/v1/icons/svg/ic_info_outline_black_36px.svg">
        </a>
    </div>
</div>

CSS

.info-icon {
    z-index: 200;
    position: absolute;
    padding: 7px;
    margin: 0;
    display: inline-block;
    right: 0;
    bottom: 0;
    background-color: #00ff00;
}
.info-anchor {
    background-color: #0000ff;
    display: block;
    padding: 0;
}
.info-img {
    background-color: #ffffff;
    margin: 0;
    display: block;
}
[data-role="header"], [data-role="footer"] {
    height: 50px !important;
    background-color: #ff0000 !important;
    width: 100% !important;
    border: 0 !important;
    text-align: center !important;
    text-shadow: none !important;
    color: #ffffff !important;
}
[data-role="footer"] {
    bottom: 0;
    position: absolute;
}