@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);

/* Remove button shape and place in the location bar */
#urlbar-container + #feed-button,
#urlbar-container + #reload-button + #stop-button + #feed-button {
  -moz-appearance: none !important;
  border: 0 !important;
  background: white !important;
  box-shadow: white -10px 0 7px -2px !important;
  padding: 0 0 0 0px !important;
  margin: 4px 42px 4px -60px !important;
  position: fixed !important;
  z-index: 1 !important;
}
#urlbar-container + #reload-button + #stop-button + #feed-button {
  margin: 4px 64px 4px -82px !important;
}

/* Hover effect */
#urlbar-container + #feed-button:not(:hover) > image,
#urlbar-container + #reload-button + #stop-button + #feed-button:not(:hover) > image {
  opacity: 0.5;
}
#urlbar-container + #feed-button:not([disabled="true"]):not(:active):hover > image,
#urlbar-container + #reload-button + #stop-button + #feed-button:not([disabled="true"]):not(:active):hover > image {
  -moz-transition: opacity .3s ease-in;
}

/* Hide when no feeds */
#urlbar-container + #feed-button[disabled="true"],
#urlbar-container + #reload-button + #stop-button + #feed-button[disabled="true"] {
  display: none !important;
}

/* Hide when showing link preview */
#urlbar {
  position: relative !important;
  z-index: 0 !important;
}
#urlbar[overlinkstate]:not([overlinkstate="fade-out"]) {
  z-index: 2 !important;
}