Fix logo overflow when broadcast message displayed

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Improve violet theme

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Improve Charcoal theme

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Improve default theme

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>