#main-window[title^="Firefox Developer Edition"] #PersonalToolbar {
    visibility: visible !important;
    margin-top: -1px !important;
}

#sidebar-box #sidebar {
    min-width: var(--sidebar-width) !important;
    max-width: var(--sidebar-width) !important;
    box-shadow: none !important;
}

#sidebar-box {
    width: var(--sidebar-width) !important;
}

/* hide sidebar header for tree style tabs sidebar */
#sidebar-box[sidebarcommand="treestyletab_piro_sakura_ne_jp-sidebar-action"] #sidebar-header {
    display: none;
}

#sidebar {
    border-right: solid var(--dividers) var(--sidebar-shadow-color) !important;
}

toolbar {
    border: none !important;
}

/* Hide splitter, when using Tree Style Tab. */
#sidebar-splitter {
    display: none !important;
}