tmux.conf

# Change the prefix key to Ctrl-a.
unbind C-b
set -g prefix C-a

# Set the screen to 256 colors.
set -g default-terminal 'xterm-256color'

# Change the last active window keybinding.
unbind l
bind C-a last-window

# Change the copy mode keybinding.
unbind [
bind Escape copy-mode

# Use Vi mode.
setw -g mode-keys vi

# Allow mouse usage to select panes.
set-option -g mouse-select-pane on
set-option -g mouse-select-window on

# Allow mouse usage in copy mode.
setw -g mode-mouse on

# Set the base index.
set-option -g base-index 1

# Change the split window keybindings.
unbind %
bind | split-window -h
bind h split-window -h
unbind '"'
bind - split-window -v
bind v split-window -v

# Configure history limit.
set -g history-limit 4096

# Configure the pane.
unbind M-Up
unbind M-Down
bind C-k resize-pane -U 5
bind C-j resize-pane -D 5
bind C-h resize-pane -L 5
bind C-l resize-pane -R 5

# Configure the status bar.
set -g status on
set -g status-utf8 on
set -g status-bg black
set -g status-fg black
set -g status-attr default
set -g status-interval 1
set -g status-justify left
set -g status-left-fg colour20
set -g status-right-bg colour0
set -g status-left-length 60
set -g status-left ''
set -g status-right ''

set-window-option -g window-status-fg colour244
set-window-option -g window-status-bg default
set-window-option -g window-status-attr dim
 
set-window-option -g window-status-current-fg colour166
set-window-option -g window-status-current-bg default
set-window-option -g window-status-current-attr bright

set-option -g pane-border-fg colour235
set-option -g pane-active-border-fg colour240
 
set-option -g message-bg colour235
set-option -g message-fg colour166

set-option -g display-panes-active-colour colour33
set-option -g display-panes-colour colour166

# Configure the clock.
set-window-option -g clock-mode-colour colour64
setw -g clock-mode-style 24

set-option -g set-titles on
set-option -g set-titles-string '[#S:#I #H] #W'

set-option -sg escape-time 50

set-window-option -g xterm-keys on