JSFiddle - React, Tailwind, and code Playground

HTML

<a href="mailto:[email protected]">[email protected]</a>

CSS

a {
    background: url(http://webmastamakewebsite.url.ph/styles/images/mail.gif) no-repeat left center;
    padding-left: 1em;
    text-decoration: none;
    color: rgb(80, 106, 133);
    font-family: Veradana, sans-serif;
    font-size: 0.85em;
}

a:hover {
    color: rgb(61, 203, 179);
    background: url(http://webmastamakewebsite.url.ph/styles/images/1mail.gif) no-repeat left center;
}