numix-gtk-theme/gtk-3.0/scss/_sidebar.scss

@import "functions";
@import "global";


/*********
 ! Sidebar
**********/

@include exports("sidebar") {
    .sidebar {
        &, &.view, & .view, & GtkScrolledWindow {
            background-color: $bg_color;
            color: mix($fg_color, $bg_color, 0.1);

            &.separator {
                &, &:hover, &:focus {
                    border-width: 1px;
                    border-style: solid;
                    border-color: shade($bg_color, 0.9);
                    color: shade($bg_color, 0.9);
                }
            }
        }

        row, .view row {
           &:selected {
               &, &:hover, &:focus {
                   border: none;
                   background-image: none;
                   background-color: $selected_bg_color;
                   color: $selected_fg_color;
               }

               &:prelight {
                   border: none;
                   background-image: none;
                   background-color: shade($selected_bg_color, 1.05);
                   color: $selected_fg_color;
               }
           }

            &:prelight {
                border: none;
                background-image: none;
                background-color: shade($bg_color, 0.95);
                color: $fg_color;
            }
        }

        .frame { border-width: 0; }

        GtkAssistant & {
            padding: 4px;
            border-width: 0 1px 0 0;
            border-style: solid;
            border-right-color: border_normal($bg_color);
            border-radius: 0;
            background-color: $bg_color;
            color: mix($fg_color, $bg_color, 0.1);

            &:dir(ltr) { border-width: 0 1px 0 0; }
            &:dir(rtl) { border-width: 0 0 0 1px; }

            GtkLabel {
                padding: $spacing ($spacing * 2);

                &.highlight { background-color: mix($bg_color, $fg_color, 0.80); }
            }

            &.csd .sidebar { border-top-style: none; }

            .highlight { font: bold; }
        }
    }
}


/***************
! Pane separator
****************/

@include exports("paneseparator") {
    .pane-separator {
        background-color: $bg_color;
        color: transparent;

        &, &.horizontal {
            background-image: linear-gradient(to bottom,
                                shade($bg_color, 0.8) 0%,
                                shade($bg_color, 0.8) 20%,
                                transparent 20%,
                                transparent 45%,
                                shade($bg_color, 0.8) 45%,
                                shade($bg_color, 0.8) 55%,
                                transparent 55%,
                                transparent 80%,
                                shade($bg_color, 0.8) 80%,
                                shade($bg_color, 0.8)
                            );

            background-size: 4px 10px;
            background-repeat: no-repeat;
            background-position: center center;
        }

        &.vertical {
            background-image: linear-gradient(to right,
                                shade($bg_color, 0.8) 0%,
                                shade($bg_color, 0.8) 20%,
                                transparent 20%,
                                transparent 45%,
                                shade($bg_color, 0.8) 45%,
                                shade($bg_color, 0.8) 55%,
                                transparent 55%,
                                transparent 80%,
                                shade($bg_color, 0.8) 80%,
                                shade($bg_color, 0.8)
                            );

            background-size: 10px 4px;
            background-repeat: no-repeat;
            background-position: center center;
        }
    }
}