Do not disturb: highlight icon when new notifications are available
Feature summary
If would be nice to have a little change in the "do not disturb" bell icon when new notifications are available.
How would you like it to work
Now if you enable the "do not disturb", appears a bell icon near the clock. But, if you receive some notifications, this information is not shown anywhere (of course, this is the purpose for the "do not disturb" feature). However, it would be useful to let the user know that something new is there.
For example in the image below you can view my bell (I have numix icon theme, so I think it is not the stock one) is with a sort of transparency with respect to the hour and the meteo, it could be set to the same opacity as the hour and the meteo to let me know something is there without attracting too much attention.