numix-gtk-theme/gtk-3.20/scss/widgets/_osd.scss

@import "button";


/*******
 ! OSD *
********/

@include exports("osd") {
    overlay.osd { background-color: transparent; }

    .osd {
        &.background {
            background-color: alpha($osd_bg, .8);
            color: $osd_fg;
        }

        .frame {
            background-clip: border-box;
            background-origin: border-box;
        }

        toolbar {
            -GtkToolbar-button-relief: normal;

            padding: $spacing;
            border: 1px solid border_normal($osd_bg);
            border-radius: $roundness;
            background-color: $osd_bg;
            background-image: none;
            color: $osd_fg;

            separator { color: shade($osd_bg, ($contrast + .1)); }
        }

        /* used by gnome-settings-daemon's media-keys OSD */
        trough { background-color: shade($osd_bg, .8); }

        progressbar { background-color: $osd_fg; }

        scale {
            slider {
                @include linear-gradient(shade($osd_bg, 1.08));
                @include border($osd_bg);

                &:disabled { @include linear-gradient(shade($osd_bg, .9)); }
            }

             trough {
                border-color: shade($osd_bg, .8);
                background-color: shade($osd_bg, 1.08);
                background-image: none;

                &.highlight {
                    border-color: $selected_bg_color;
                    background-color: $selected_bg_color;
                    background-image: none;
                }

                &:disabled, &.highlight:disabled {
                    border-color: shade($osd_bg, .85);
                    background-color: shade($osd_bg, .9);
                    background-image: none;
                }
            }
        }

        &.view, .view, view { background-color: $osd_bg; }

        scrollbar {
            trough { background-color: $osd_bg; }

            slider {
                border: 1px solid mix(shade($osd_bg, .87), $osd_fg, .21);
                border-radius: 0;
                background-color: mix($osd_bg, $osd_fg, .21);

                &:hover {
                    border-color: mix(shade($osd_bg, .87), $osd_fg, .31);
                    background-color: mix($osd_bg, $osd_fg, .31);
                }

                &:active {
                    border-color: shade($selected_bg_color, .9);
                    background-color: $selected_bg_color;
                }
            }
        }

        iconview.cell {
            &:selected, &:selected:focus {
                background-color: transparent;
                border: 3px solid mix(shade($osd_bg, .87), $osd_fg, .21);
                border-radius: $roundness;
                outline-color: transparent;
            }
        }

        /* used by Documents */
        .page-thumbnail {
            border: 1px solid shade($osd_bg, .9);
            /* when there's no pixbuf yet */
            background-color: $osd_bg;
        }
    }
}