Please enable a dark theme. A black background is much easier on the eyes. Customizable font and background colors should be a standard feature in a paid service.
Daar Fisher commented
White on black is severe, leaves "after image" on retina. Permit the selection of background color (eg, dark teal, dark gray, similar to Yahoo Mail). Way too much white space in evening, especially on large 44" screens.
GHOST TIMARIO commented
Need the dark theme background. Much easier on the eyes and many other platforms are switching to it. Good for long term health