@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);

#brief-button {
  list-style-image: url("data:image/png;base64,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") !important }

 
#brief-button:hover {
  list-style-image: url("data:image/png;base64,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") !important }

#brief-button {
  -moz-image-region: rect(0 31px 29px 0px) !important }

#brief-button:hover,
#brief-button[checked="true"] {
  -moz-image-region: rect(0 31px 29px 0px) !important }

toolbar[iconsize="small"] #brief-button {
  -moz-image-region: rect(6px 25px 24px 7px) !important }

toolbar[iconsize="small"] #brief-button :hover,
toolbar[iconsize="small"] #brief-button [checked="true"] {
  -moz-image-region: rect(28px 20px 12px 4px) !important }
