my tmux config - nothing very special

tmux.conf

# unbind C-b if you prefer using screen's ^a command sequence
# set -g prefix C-a

# alt-arrow bindings to switch windows
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

# get visual notifications of activity from other windows
setw -g monitor-activity on
set -g visual-activity on

# Where am I????
set-window-option -g window-status-current-bg yellow

set-option -g mouse-select-pane on

# Toggle mouse on with ^B m
bind m \
  set -g mode-mouse on \;\
  set -g mouse-resize-pane on \;\
  set -g mouse-select-pane on \;\
  set -g mouse-select-window on \;\
  display 'Mouse: ON'

# Toggle mouse off with ^B M
bind M \
  set -g mode-mouse off \;\
  set -g mouse-resize-pane off \;\
  set -g mouse-select-pane off \;\
  set -g mouse-select-window off \;\
  display 'Mouse: OFF'

# Zoom a panel in
unbind +
bind + \
  new-window -d -n tmux-zoom 'clear && echo TMUX ZOOM && read' \;\
  swap-pane -s tmux-zoom.0 \;\
  select-window -t tmux-zoom
    
# Zoom a panel back out
unbind -
bind - \
  last-window \;\
  swap-pane -s tmux-zoom.0 \;\
  kill-window -t tmux-zoom