pub static DEFAULT_WIDTH: usize = 30;
pub static DEFAULT_FG_SYMBOL: char = '#';
pub static DEFAULT_TIP_SYMBOL: char = ' ';
pub static DEFAULT_BG_SYMBOL: char = ' ';
pub static DEFAULT_COUNTER_SURROUND: (char, char) = ('(', ')');
pub static DEFAULT_BAR_SURROUND: (char, char) = ('|', '|');
pub static DEFAULT_SPINNER_SURROUND: [char; 3] = ['\\', '-', '/'];