@-moz-document url("chrome://browser/content/browser.xul") {
tab[image*="fbstatic"] .tab-icon-image {
margin-left: 16px !important;
width: 0 !important;
}
tab[image*="fbstatic"] .tab-text {
visibility: hidden !important;
}
}

@-moz-document domain("facebook.com") {
img, .img, [class*="Img"] {
opacity: 0.1 !important;
}
img:hover, div:hover > img, a:hover > img, .img:hover, [class*="Img"]:hover {
opacity: 1 !important;
}
.stageWrapper * {
background-color: transparent !important;
}
* {
background-color: white !important;
color: black !important;
}
:not([class*="Img"]):not(.img) {
background-image: none !important;
}
}