...
Задаётся переменной $conf{client_theme}. Значение по умолчанию - skindark-bluelightblue.
Возможные значения :
skindark-bluelightblueskin
light-blue-lightlightblue
skin-yellow
skin-yellow-light
skin-green
skin-green-light
skin-purple
skin-purple-light
skin-red
skin-red-light
skin-black
skin-black-light