@define-color boxes_bg_color shade (@theme_bg_color, 0.5);
@define-color boxes_sidebar_bg_color mix (@theme_bg_color, @boxes_bg_color, 0.5);
@define-color boxes_selected_color #5f8dd3;

#TopbarLabel {
    font-size: 14;
    font-weight: bold;
}

#CollectionLabel {
    font-size: 11;
    font-weight: bold;
    background-color: red;
}

.view {
    background-color: @theme_bg_color;
}

.boxes-bg {
    background-color: @boxes_bg_color;
}

.boxes-sidebar-bg {
    background-color: @boxes_sidebar_bg_color;
}

.boxes-step-label {
    color: gray;
    font-size: 11;
    font-weight: bold;
}

.boxes-source-label {
    font-size: 11;
    font-weight: bold;
}

.boxes-source-nb {
    border-radius: 15;
}

.boxes-selected {
    background-color: @boxes_selected_color;
}

.boxes-continue {
    background-image: -gtk-gradient (linear,
                                     left top, left bottom,
                                     from (@boxes_selected_color),
                                     to (darker (@boxes_selected_color)));
}

@define-color boxes_bg_color shade (@theme_bg_color, 0.5);
@define-color boxes_sidebar_bg_color mix (@theme_bg_color, @boxes_bg_color, 0.5);
@define-color boxes_selected_color #5f8dd3;

#TopbarLabel {
    font-size: 14;
    font-weight: bold;
}

#CollectionLabel {
    font-size: 11;
    font-weight: bold;
    background-color: red;
}

.view {
    background-color: @theme_bg_color;
}

.boxes-bg {
    background-color: @boxes_bg_color;
}

.boxes-sidebar-bg {
    background-color: @boxes_sidebar_bg_color;
}

.boxes-step-label {
    color: gray;
    font-size: 11;
    font-weight: bold;
}

.boxes-source-label {
    font-size: 11;
    font-weight: bold;
}

.boxes-source-nb {
    border-radius: 15;
}

.boxes-selected {
    background-color: @boxes_selected_color;
}

.boxes-continue {
    background-image: -gtk-gradient (linear,
                                     left top, left bottom,
                                     from (@boxes_selected_color),
                                     to (darker (@boxes_selected_color)));
}
.boxes-continue:insensitive {
    background-image: none;
}

Fix Continue style when insensitive
Fix Continue style when insensitive
