Ensure you follow the same background theme in mobile devices .. tables and phones
It is important for the new look once changed on the desktop the overall look & feel to change also on the users mobile & table. So ensure when someone is changing to the new look of the yahoo emails on his desktop to be followed on his tablet and phone. Consistency is important & statistically it will be accepted by the users as the new norm - easier.
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Ioanna Marinaki
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