Untitled

The classes below need to be added into the HEAD of the email.

How does the hack work? It replaces the Gmail images with a glyph version

<!DOCTYPE html>
<html lang="en" xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office">
<head>
<style>
.emoji img{
    display:none;
}
.emoji img + u{
    background-size:contain;
    height: 1em;
    width: 1em;
    display: inline-block;
}
.t img + u{
    background-image: url(http://www.charbase.com/images/glyph/153);
}
.c img + u{
    background-image: url(http://www.charbase.com/images/glyph/169);
}
.r img + u{
    background-image: url(http://www.charbase.com/images/glyph/174);
}
</style>
</head>
<body>
    <p>text<span class="emoji t">™<u></u></span> text text <span class="emoji c">©<u></u></span>2017 text <span class="emoji r">®<u></u></span>text</p>
</body>