Remote .tmux.conf (handles nesting, different colors)

.tmux.conf

# Install:
# curl https://gist.githubusercontent.com/kurrik/ec0a83cf568b9c16b8ce08dd407adf65/raw/.tmux.conf > ~/.tmux.conf
#
# Instructions:
# When nested, use an extra `ctrl-b` to issue commands to the nested session. 
# E.g. to go to the next window `ctrl-b ctrl-b ctrl-n`

# Colors
set -g default-terminal "xterm-256color"

# Mouse stuff
set -g mode-mouse on
set -g mouse-select-window on
set -g mouse-select-pane on
set -g mouse-resize-pane on

# Start a new session if one doesn't exist
# https://coderwall.com/p/aohfrg/smux-ssh-with-auto-reconnect-tmux-a-mosh-replacement
new-session -s main

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

# Panes
set -g pane-border-fg black
set -g pane-active-border-fg brightred

## Status bar design.  Nested session is red.
set -g status-bg red
set -g status-fg default