this is the beginning of my custom tmux.com

tmux.conf

# Use Vim shortcuts
setw -g mode-keys vi

# Make `Ctrl+B R` reload the config file
unbind r
bind r source-file ~/.tmux.conf

set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-sidebar'
set -g @plugin 'tmux-plugins/tmux-sensible'
set -g @plugin 'tmux-plugins/tmux-sessionist'

run '~/.tmux/plugins/tpm/tpm'

#change prefix from C-b to C-a
unbind C-b 
set -g prefix C-a  

bind C-a send-prefix

#reload tmux.conf message
bind r source-file ~/.tmux.conf \; display "Reloaded ~/.tmux.conf"
#-------------------------------------------------------#

#set -g status-bg blue
set -g status-bg white

#-------------------------------------------------------#
#PANE NAVIGATION/MANAGEMENT
#-------------------------------------------------------#
bind + split-window -h -c '#{pane_current_path}'
bind - split-window -v -c '#{pane_current_path}'

# Use Alt-arrow keys WITHOUT PREFIX KEY to switch panes
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

#PANE COLOURS
#-------------------------------------------------------#
# set inactive/active window styles
set -g window-style 'fg=colour247,bg=colour236'
set -g window-active-style 'fg=colour250,bg=black'

#pane border
set -g pane-border-bg colour235
set -g pane-border-fg colour238
set -g pane-active-border-bg colour236
set -g pane-active-border-fg colour51

#TERMINAL ADMIN:
#-------------------------------------------------------#
set -g mouse on

#256 colours
set -g default-terminal "screen-256color"

# start with window 1 (instead of 0)
set -g base-index 1

# start with pane 1
set -g pane-base-index 1

### End of tmux.conf