<body style="padding: 10px; margin: auto; max-width: 600px;"><table style="width: 100%;">{% for key, value in row %}<tr><td style="padding: 10px; background: {{ loop.index % 2 == 0 ? 'grey' : '' }};">{{ key | upper }}</td><td style="padding: 10px">{{ value }}</td></tr>{% endfor %}</table></body>