diff --git a/.tmux.conf b/.tmux.conf
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+++ b/.tmux.conf
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+# 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 %
+
+# 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
+
+# Enable mouse control (clickable windows, panes, resizable panes)
+#set -g mouse-select-window on
+#set -g mouse-select-pane on
+#set -g mouse-resize-pane on
+
+# 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
+
+
+# messages
+set -g message-style 'fg=colour232 bg=colour16 bold'
+
+
+# SHELL
+set -g default-command /usr/local/bin/bash