I am developing the HTML code for an email and I can't figure out why are the images selectable on Outlook 2013. When the user clicks on them Outlooks shows a dashed border around, which I would like to avoid. Is there any CSS property or something I can use for this purpose?
I have tried to set the CSS properties outline and border to none, without success.
It's an Outlook 'feature'. You can't turn this off.