:root[inFullscreen] #navigator-toolbox {
    z-index: 1;
    margin-top: calc(-40px - var(--tab-min-height));
}
:root[inFullscreen] #navigator-toolbox::after {
    visibility: hidden;
}
:root[sizemode="fullscreen"][inFullscreen] #navigator-toolbox,
:root[sizemode="fullscreen"][inFullscreen] #navigator-toolbox::after {
    transition: all .2s ease .5s !important;
}
:root[inFullscreen] #navigator-toolbox:focus-within,
:root[inFullscreen] #navigator-toolbox:hover {
    transition-delay: 0s !important;
    margin-top: 0;
}
:root[inFullscreen] #navigator-toolbox:focus-within::after,
:root[inFullscreen] #navigator-toolbox:hover::after {
    transition-delay: 0s !important;
    visibility: visible;
}
:root[inFullscreen] #content-deck {
    position: fixed;
    z-index: 0;
    top: 0;
    width: 100%;
    height: 100%;
}
:root[inFullscreen] #content-deck > #browser {
    width: 100%;
    height: 100%;
}