Tmux configurations with status bar theme

tmux.conf

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

# split panes using | and -
bind | split-window -h -c "#{pane_current_path}"
bind - split-window -v -c "#{pane_current_path}"
bind c new-window -c "#{pane_current_path}"
unbind '"'
unbind %

bind N new

# 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
bind -n M-h select-pane -L
bind -n M-l select-pane -R
bind -n M-k select-pane -U
bind -n M-j select-pane -D

bind m resize-pane -Z

# reload config

# Enable mouse mode (tmux 2.1 and above)
set -g mouse on

######################
### DESIGN CHANGES ###
######################

# loud or quiet?
set -g visual-activity off
set -g visual-bell off
set -g visual-silence off
setw -g monitor-activity off
set -g bell-action none

## VI mode (https://sanctum.geek.nz/arabesque/vi-mode-in-tmux/)
set-window-option -g mode-keys vi
bind-key -T copy-mode-vi 'v' send -X begin-selection
bind-key -T copy-mode-vi 'y' send -X copy-selection-and-cancel

## Overriding copy-mode binding
bind -n 'PageUp' copy-mode

## only this line might not be enough
set -g default-terminal "xterm-256color"
## Needs this line also to overrides the default color
set-option -ga terminal-overrides ",xterm-256color:RGB" # older tmux? replace "RGB" with "Tc"
# set-default colorset-option -ga terminal-overrides ",xterm-256color:Tc"
## For better ESC speed in vim
set-option -sg escape-time 10

# Send the same command to all panes/windows/sessions
# Source: https://scripter.co/command-to-every-pane-window-session-in-tmux/
bind E command-prompt -p "Command:" \
         "run \"tmux list-panes -a -F '##{session_name}:##{window_index}.##{pane_index}' \
         | xargs -I PANE tmux send-keys -t PANE '%1' Enter\""

# Send command only to current session
bind C-e command-prompt -p "Command:" \
             "run \"tmux list-panes -s -F '##{session_name}:##{window_index}.##{pane_index}' \
             | xargs -I PANE tmux send-keys -t PANE '%1' Enter\""

# Start window numbering at 1
set -g base-index 1

bind -r [ switch-client -p
bind -r ] switch-client -n

# status bar theme - from https://gist.github.com/rajanand02/9407361
set -g status-bg 'colour235'
set -g message-command-fg 'colour222'
set -g status-justify 'centre'
set -g status-left-length '100'
set -g status 'on'
set -g pane-active-border-fg 'colour154'
set -g message-bg 'colour238'
set -g status-right-length '100'
set -g status-right-attr 'none'
set -g message-fg 'colour222'
set -g message-command-bg 'colour238'
set -g status-attr 'none'
set -g status-utf8 'on'
set -g pane-border-fg 'colour238'
set -g status-left-attr 'none'
setw -g window-status-fg 'colour121'
setw -g window-status-attr 'none'
setw -g window-status-activity-bg 'colour235'
setw -g window-status-activity-attr 'none'
setw -g window-status-activity-fg 'colour154'
setw -g window-status-separator ''
setw -g window-status-bg 'colour235'
set -g status-left '#[fg=colour232,bg=colour154] #S #[fg=colour154,bg=colour238,nobold,nounderscore,noitalics]#[fg=colour222,bg=colour238] #W #[fg=colour238,bg=colour235,nobold,nounderscore,noitalics]#[fg=colour121,bg=colour235] #(whoami) #[fg=colour235,bg=colour235,nobold,nounderscore,noitalics]'
set -g status-right '#[fg=colour235,bg=colour235,nobold,nounderscore,noitalics]#[fg=colour121,bg=colour235] %r '
# to see custom timezone https://stackoverflow.com/a/39868365/9587133
setw -g window-status-format '#[fg=colour235,bg=colour235,nobold,nounderscore,noitalics]#[default] #I #W #[fg=colour235,bg=colour235,nobold,nounderscore,noitalics]'
setw -g window-status-current-format '#[fg=colour235,bg=colour238,nobold,nounderscore,noitalics]#[fg=colour222,bg=colour238] #I #W #F #[fg=colour238,bg=colour235,nobold,nounderscore,noitalics]'