/* by makondo, 01/11 */
@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);

/* personal, you might need to comment it */
#fav-image[style*="addons.mozilla.org"],
#fav-image[style*="addons.mozilla.net"]
{ margin-top: 4px !important; }

.tabbrowser-tab[label*=" - Firefox Add-ons"] .tab-icon-image,
.tabbrowser-tab[label*="Add-ons for Firefox"] .tab-icon-image,
#page-proxy-favicon[src*="addons.mozilla.org"],
#fav-image[style*="addons.mozilla.org"],
#fav-image[style*="addons.mozilla.net"]
{ width: 0 !important;
height: 18px !important; 
padding-left: 18px !important;
background: 
url("data:image/png;base64,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") center no-repeat !important; }