.config/dunst/dunstrc

[global]
    font = Sans 18

    allow_markup = yes

    # The format of the message. Possible variables are:
    #   %a  appname
    #   %s  summary
    #   %b  body
    #   %i  iconname (including its path)
    #   %I  iconname (without its path)
    format = "<b>%s</b>\n%b"

    # Sort messages by urgency
    sort = yes

    # Show how many messages are currently hidden (because of geometry)
    indicate_hidden = yes

    # keybindings to remove notification
    # available modifiers are 'ctrl', 'mod1' (the alt-key), 'mod2', 'mod3'
    # and 'mod4' (windows-key)
    modifier = ctrl

    # use xev to find the names for keys
    key = space
    # key to redisplay last message(s)
    history_key = grave

    # the geometry of the window
    # geometry [{width}]x{height}][+/-{x}+/-{y}]
    # The geometry of the message window.
    # The height is measured in lines everything else in pixels. If the width
    # is omitted but the height is given ("-geometry x2"), the message window
    # expands over the whole screen (dmenu-like). If width is 0,
    # the window expands to the longest message displayed.
    # A positive x is measured from the left, a negative from the
    # right side of the screen.  Y is measured from the top and down respectevly.
    geometry = "0x2-32-32"

    # Don't remove messages, if the user is idle (no mouse or keyboard input)
    # for longer than idle_threshold seconds.
    # Set to 0 to disable.
    idle_threshold = 120

[urgency_low]
    # IMPORTANT: colors have to be defined in quotation marks.
    # Otherwise the '#' and following  would be interpreted as a comment.
    background = "#aaaaff"
    foreground = "#000000"
    timeout = 10

[urgency_normal]
    background = "#1793D1"
    foreground = "#DDDDDD"
    timeout = 10

[urgency_critical]
    background = "#ffaaaa"
    foreground = "#000000"
    timeout = 0


# Every section that isn't one of the above is interpreted as a rules
# to override settings for certain messages.
# Messages can be matched by 'appname', 'summary', 'body' or 'icon'
# and you can override the 'timeout', 'urgency', 'foreground', 'background'
# and 'format'.
# Shell-like globbing will get expanded.

#[signed_on]
#    appname = Pidgin
#    summary = "*signed on*"
#    urgency = low
#
#[signed_off]
#    appname = Pidgin
#    summary = *signed off*
#    urgency = low
#
#[says]
#    appname = Pidgin
#    summary = *says*
#    urgency = critical
#
#[twitter]
#    appname = Pidgin
#    summary = *twitter.com*
#    urgency = normal