Firefox customized styles.css

/* -- For Profile/chrome/userChrome.css -- */

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

/* Hide tracking and security icons in address bar */
#tracking-protection-icon-container {
  animation: none !important;
}
    
#tracking-protection-icon-container {
  display: none;
}

#identity-box {
  display: none;
}


/* Colored bookmarks */
#PlacesToolbarItems > .bookmark-item[container][label="Project" i] {
  background: #f7e6e6 !important;
}