:root {
    --background-color: rgba(237, 237, 240, 1);
    --menu-gradient-start-color: rgba(164, 164, 164, 1);
    --menu-gradient-end-color: rgba(112, 112, 112, 1);
}
#openFile,
#print,
#download,
#viewBookmark {
    display: none;
}
#pageNumber {
    background-color: var(--menu-gradient-end-color);
    filter:brightness(1.2);
    background-image:linear-gradient(rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0));
    border-color: rgba(0, 0, 0, 0.32) rgba(0, 0, 0, 0.38) rgba(0, 0, 0, 0.42);
}
#pageNumber, #numPages {
    color:#fff;
}
#scaleSelectContainer, #scaleSelect {
    background-color: var(--menu-gradient-end-color);
    color:#fff;
    filter:brightness(.8);
    border-color:rgba(0, 0, 0, 0.32) rgba(0, 0, 0, 0.38) rgba(0, 0, 0, 0.42);
}
#next:hover,
#previous:hover,
#viewFind:hover,
#sidebarToggle:hover,
#zoomOut:hover,
#zoomIn:hover,
#presentationMode:hover,
#secondaryPresentationMode:hover,
#secondaryToolbarToggle:hover {
    background-color: var(--menu-gradient-end-color);
    filter:brightness(.85);
    border:1px solid rgba(0, 0, 0, 0.35);
    box-shadow:0 1px 0 rgb(255 255 255 / 5%) inset, 0 0 1px rgb(255 255 255 / 15%) inset, 0 0 1px rgb(0 0 0 / 5%);
}
#next:before,
#previous:before,
#viewFind:before,
#sidebarToggle:before,
#zoomOut:before,
#zoomIn:before,
#presentationMode:before,
#secondaryPresentationMode:before,
#secondaryToolbarToggle:before,
[dir="ltr"] .dropdownToolbarButton:after {
    filter: invert(99%) sepia(99%) saturate(2%) hue-rotate(213deg) brightness(113%) contrast(100%)
}

body {
    background-color: var(--background-color);
}
#toolbarContainer {
    background-image: linear-gradient( var(--menu-gradient-start-color),  var(--menu-gradient-end-color));
}