3 ms·
From the wiki (posted by Eeems): "transparency, if present, is taken into account by the tablet (meaning that the former content remains visible where the PNG
by cmbailey 6y ago
From the wiki (posted by Eeems):
"transparency, if present, is taken into account by the tablet (meaning that the former content remains visible where the PNG is transparent; this is used e.g. by sleeping.png in the 'light sleep' mode)."