.tmux.conf

# reload config file
bind r source-file ~/.tmux.conf \; display "Config Reloaded!"
# tmux display things in 256 colors
set -g default-terminal "screen-256color"
set -g status-utf8 on
set-option -g allow-rename off

# copy & paste shortcuts
set-window-option -g mode-keys vi
set -g mouse on
bind P paste-buffer
bind-key -t vi-copy 'v' begin-selection
bind-key -t vi-copy 'y' copy-selection
bind-key -t vi-copy 'r' rectangle-toggle
bind -t vi-copy y copy-pipe "xclip -sel clip -i"


# pane movement shortcuts
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R

# Resize pane shortcuts
bind -r H resize-pane -L 10
bind -r J resize-pane -D 10
bind -r K resize-pane -U 10
bind -r L resize-pane -R 10

set -g history-limit 20000
setw -g mouse on

bind-key -t vi-copy PPage page-up
bind-key -t vi-copy NPage page-down

bind-key -T root PPage if-shell -F "#{alternate_on}" "send-keys PPage" "copy-mode -e; send-keys PPage"
bind-key -t vi-copy PPage page-up
bind-key -t vi-copy NPage page-down

bind -T root WheelUpPane if-shell -F -t = "#{alternate_on}" "select-pane -t =; send-keys -M" "select-pane -t =; copy-mode -e; send-keys -M"
bind -T root WheelDownPane if-shell -F -t = "#{alternate_on}" "select-pane -t =; send-keys -M" "select-pane -t =; send-keys -M"
bind-key -t vi-copy WheelUpPane halfpage-up
bind-key -t vi-copy WheelDownPane halfpage-down

# make delay shorter
set -sg escape-time 0

# Theme
setw -g status-bg "#333333"

# Border colors
setw -g pane-active-border-fg "#8DB5DA"

set-window-option -g status-left " #S "
set-window-option -g status-left-fg "#333333"
set-window-option -g status-left-bg "#8DB5DA"

set-window-option -g status-right " %H:%M %d-%b-%y "
set-window-option -g status-right-fg "#333333"
set-window-option -g status-right-bg "#8DB5DA"

# Window Status Color Palette
setw -g window-status-current-fg "#8DB5DA"
setw -g window-status-current-bg "#454545"

setw -g window-status-fg "#808080"
setw -g window-status-bg "#333333"

# Message colors
setw -g message-bg "#353535"
setw -g message-fg "#8DB5DA"

#Windows list colors
setw -g mode-bg "#8DB5DA"
setw -g mode-fg "#333333"

For use it default from in terminal add follow code in your .bashrc
if [[ ! $TERM =~ screen ]]; then exec tmux fi