My tmux config

.tmux.conf

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

set -g status off
bind-key m set-option status

set -g default-terminal "screen-256color"
set-option -g status-bg blue
set-option -g status-fg white
set-window-option -g window-status-current-bg cyan
set-window-option -g window-status-current-fg blue
set-window-option -g monitor-activity on
set-window-option -g mode-mouse on

bind-key C-j select-pane -D
bind-key C-k select-pane -U
bind-key C-h select-pane -L
bind-key C-l select-pane -R

bind-key -n C-right next
bind-key -n C-left prev

bind-key C-r source-file ~/.tmux.conf