.tmux.conf

# Set <ESC> delay to 0
set -s escape-time 0
# remap prefix from 'C-b' to 'C-a'
unbind C-b
set-option -g prefix C-a
bind-key C-a send-prefix

# split panes using | and -
bind | split-window -h
bind - split-window -v
unbind '"'
unbind %

# reload config file (change file location to your the tmux.conf you want to use)
bind r source-file ~/.tmux.conf

# switch panes using Alt-arrow without prefix
bind -n C-h select-pane -L
bind -n C-l select-pane -R
bind -n C-k select-pane -U
bind -n C-j select-pane -D

# don't rename windows automatically
set-option -g allow-rename off

# Colors

# panes
set -g pane-border-bg colour0
set -g pane-border-fg colour19
set -g pane-active-border-bg colour0
set -g pane-active-border-fg colour9