* {
  border-radius: 0 !important;
}

/* Tabbar */

#main-window[tabsintitlebar="true"]:not([extradragspace="true"]) #TabsToolbar {
  opacity: 0;
  pointer-events: none;
}

#main-window:not([tabsintitlebar="true"]) #TabsToolbar {
    visibility: collapse !important;
}

#sidebar-box[sidebarcommand="treestyletab_piro_sakura_ne_jp-sidebar-action"] #sidebar-header {
  display: none;
}

/* Addressbar */

#urlbar-background {
  background-color: #e0e0e0 !important;
  border-color: #adadad !important;
}

#star-button-box {
  display: none;
}