/*************
 * assistant *
 *************/
GtkAssistant .sidebar .highlight {
    font: bold;
}

GtkAssistant .sidebar {
    padding: 4px;
    border-width: 0 1px 0 0;
    border-style: solid;
    border-right-color: shade(@theme_bg_color, 0.8);
    border-radius: 0;
    background-color: @theme_bg_color;
    color: mix(@theme_fg_color, @theme_bg_color, 0.1);
}