/* CLOSE button */
.titlebar-close .toolbarbutton-icon {
  list-style-image: url("titlebuttons/titlebutton-close-dark.svg") !important;
}

.titlebar-close:hover .toolbarbutton-icon {
  list-style-image: url("titlebuttons/titlebutton-close-hover-dark.svg") !important;
}

.titlebar-close:active .toolbarbutton-icon {
  list-style-image: url("titlebuttons/titlebutton-close-active-dark.svg") !important;
}

/* MINIMIZE button */
.titlebar-min .toolbarbutton-icon {
  list-style-image: url("titlebuttons/titlebutton-minimize-dark.svg") !important;
}

.titlebar-min:hover .toolbarbutton-icon {
  list-style-image: url("titlebuttons/titlebutton-minimize-hover-dark.svg") !important;
}

.titlebar-min:active .toolbarbutton-icon {
  list-style-image: url("titlebuttons/titlebutton-minimize-active-dark.svg") !important;
}

/* MAXIMIZE button */
.titlebar-max .toolbarbutton-icon {
  list-style-image: url("titlebuttons/titlebutton-maximize-dark.svg") !important;
}

.titlebar-max:hover .toolbarbutton-icon {
  list-style-image: url("titlebuttons/titlebutton-maximize-hover-dark.svg") !important;
}

.titlebar-max:active .toolbarbutton-icon {
  list-style-image: url("titlebuttons/titlebutton-maximize-active-dark.svg") !important;
}

/* UNMAXIMIZE button */
.titlebar-restore .toolbarbutton-icon {
  list-style-image: url("titlebuttons/titlebutton-maximize-dark.svg") !important;
}

.titlebar-restore:hover .toolbarbutton-icon {
  list-style-image: url("titlebuttons/titlebutton-unmaximize-hover-dark.svg") !important;
}

.titlebar-restore:active .toolbarbutton-icon {
  list-style-image: url("titlebuttons/titlebutton-unmaximize-active-dark.svg") !important;
}

/* BACKDROP — default for all buttons */
:root:-moz-window-inactive .toolbarbutton-icon {
  list-style-image: url("titlebuttons/titlebutton-backdrop-dark.svg") !important;
}

/* BACKDROP HOVERS */
:root:-moz-window-inactive .titlebar-close:hover .toolbarbutton-icon {
  list-style-image: url("titlebuttons/titlebutton-close-backdrop-dark.svg") !important;
}

:root:-moz-window-inactive .titlebar-min:hover .toolbarbutton-icon {
  list-style-image: url("titlebuttons/titlebutton-minimize-backdrop-dark.svg") !important;
}

:root:-moz-window-inactive .titlebar-max:hover .toolbarbutton-icon {
  list-style-image: url("titlebuttons/titlebutton-maximize-backdrop-dark.svg") !important;
}

:root:-moz-window-inactive .titlebar-restore:hover .toolbarbutton-icon {
  list-style-image: url("titlebuttons/titlebutton-unmaximize-backdrop-dark.svg") !important;
}

/* Padding */
.titlebar-close {
  margin-left: 14px !important;
  margin-right: 4px !important; /* Increase space to the right of Close */
}

.titlebar-min {
  margin-right: 4px !important; /* Increase space to the left of Minimize */
}

/* Icon Size */
.titlebar-button .toolbarbutton-icon {
  width: 16px !important;
  height: 16px !important;
}