firefox.userChrome.css

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

/* Stuff because I use vertical tabs in a sidebar via an extension */
/* BEGIN */
#TabsToolbar { visibility: collapse; } /* to hide the native tabs */
#sidebar-header { visibility: collapse; } /* to hide the sidebar header */
/* END/*

/* URL bar color based on SSL/secrutiy/etc */
/* via https://www.reddit.com/r/FirefoxCSS/comments/7dkhuh/color_your_url_bar_based_on_website_security/ */
/* BEGIN */
/*
 * Originally from:
 * http://forums.mozillazine.org/viewtopic.php?p=14404121#p14404121
 */

#urlbar {
  position: relative;
  z-index: 1;
}

#identity-box:after {
  content: '';
  position: absolute;
  height: 100%;
  width: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: -1;
  background: white;
  opacity: 0.2;
}


/* There is also grantedPermissions, but irrelevant. */

/* about:about */
#urlbar[pageproxystate='valid'] #identity-box.unknownIdentity:after {
  background: #ff0039; /* Firefox Red 50 */
}

/* about:config */
#urlbar[pageproxystate='valid'] #identity-box.chromeUI:after {
  background: #0a84ff; /* Firefox Blue 50 */
}

/* uBlock Origin Dashboard */
#urlbar[pageproxystate='valid'] #identity-box.extensionPage:after {
  background: #45a1ff; /* Firefox Blue 40 */
}

/* https://www.github.com/ */
#urlbar[pageproxystate='valid'] #identity-box.verifiedIdentity:after{
  background: #058b00; /* Firefox Green 70 */
}

/* https://www.google.com/ */
#urlbar[pageproxystate='valid'] #identity-box.verifiedDomain:after{
  background: #12bc00; /* Firefox Green 60 */
}

/* https://mixed-script.badssl.com/ */
#urlbar[pageproxystate='valid'] #identity-box.mixedActiveBlocked:after {
  background: #30e60b; /* Firefox Green 50 */
}

/* https://mixed.badssl.com/ */
#urlbar[pageproxystate='valid'] #identity-box.mixedDisplayContent:after {
  background: #d7b600; /* Firefox Yellow 60 */
}

/* https://very.badssl.com/ */
#urlbar[pageproxystate='valid'] #identity-box.mixedDisplayContentLoadedActiveBlocked:after {
  background: #d7b600; /* Firefox Yellow 60 */
}

/* https://self-signed.badssl.com/ but add certificate exception */
#urlbar[pageproxystate='valid'] #identity-box.certUserOverridden:after {
  background: #ffe900; /* Firefox Yellow 50 */
}

/* Don't know an example for this */
#urlbar[pageproxystate='valid'] #identity-box.weakCipher:after {
  background: #a47f00; /* Firefox Yellow 70 */
}

/* https://mixed-script.badssl.com/ but disable protection */
#urlbar[pageproxystate='valid'] #identity-box.mixedActiveContent:after {
  background: #d70022;  /* Firefox Red 60 */
}

/* http://http-login.badssl.com/ */
#urlbar[pageproxystate='valid'] #identity-box.insecureLoginForms:after {
  background: #a4000f;  /* Firefox Red 70 */
}
/* END */