set-option -g prefix C-a
unbind-key C-b
bind-key C-a send-prefix

# number windows from 1 for it makes shortcuts 0–9 more intuitive
set-option -g base-index 1
bind-key 0 select-window -t :=10

set-option -g status-bg black
set-option -g status-fg white

set-option -g aggressive-resize on