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

# switch panes using Alt-arrow without prefix
bind -n M-Left select-pane -L
bind -n M-Right select-pane -R
bind -n M-Up select-pane -U
bind -n M-Down select-pane -D

setw -g monitor-activity on
set -g visual-activity on

set-window-option -g window-status-current-bg yellow

# Enable mouse mode (tmux 2.1 and above)
set -g mouse on
bind -t vi-copy y copy-pipe "xclip -sel clip -i"
set -g default-terminal "screen-256color"