.scrollbar:not(.slider) {
    background-color: alpha($TERMINAL_BG, $TERMINAL_OPACITY);
}

/* GTK 3.20 */
scrollbar:not(.slider) {
   background-color: alpha($TERMINAL_BG, $TERMINAL_OPACITY);
}

scrollbar.vertical:active:dir(ltr) {
    margin-left: 0px;
    padding-left: 2px;
}

scrollbar.vertical:dir(ltr):not(:hover):not(.dragging) {
    margin-left: 0px;
    padding-left: 7px;
}