<p>Setting the direction in CSS does seem to work in gmail:</p>
<p><a target="_blank" rel="noopener noreferrer" href="https://user-images.githubusercontent.com/147741/60594688-6a476180-9d9d-11e9-9cd7-5f02550153ae.png"><img src="https://user-images.githubusercontent.com/147741/60594688-6a476180-9d9d-11e9-9cd7-5f02550153ae.png" alt="image" style="max-width:100%;"></a></p>

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