window { background-color: rgba (0, 0, 0, 0.0) } /* Outer bar container, takes all the window width/height */ #outer-box { margin: 0px } /* Inner bar container, surrounds buttons */ #inner-box { background-color: @theme_bg_color; border-radius: 4px; border-style: solid; border-width: 2px; border-color: @theme_selected_bg_color; padding: 5px; margin: 5px } button, image { background: none; border: none; box-shadow: none } button { padding-left: 10px; padding-right: 10px; margin: 5px } button:hover { background-color: @theme_selected_bg_color }