header_footer.xsl

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

    <xsl:template name="header">

        <!-- Header Information -->
        <div align="center">
            <header class="w3-container w3-black">
                <img src="https://www.dropbox.com/s/l9goixjrl4sa6y9/header_img.png?dl=0"/>
                <h2>Taekwondo Newsletter</h2>
            </header>
        </div>

    </xsl:template>

    <xsl:template name="footer">

        <!-- Developer Information -->
        <div class="w3-margin-top w3-white">
            <header class="w3-container w3-black">
                <h2>Developer</h2>
            </header>
            <table class="w3-container" align="center">
                <tr>
                    <td align="center"><b>António Lima</b></td>
                    <td align="center">tkd.newsletter@gmail.com</td>
                    <td align="center"><a href="https://pt.linkedin.com/in/antónio-lima-2542908a" target="_blank">LinkedIn</a></td>
                    <td align="center"><a href="https://github.com/aclima93/Facebook-Group-Newsletter" target="_blank">Code Repository</a></td>
                </tr>
            </table>
        </div>

    </xsl:template>

</xsl:stylesheet>