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

.bookmark-item[label="Troubleshooting Information"],
#main-window[stylish-url="about:support"] #page-proxy-favicon,
.tabbrowser-tab[label="Troubleshooting Information"] .tab-icon-image {
  list-style-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABHNCSVQICAgIfAhkiAAAAAlwSFlzAAABuwAAAbsBOuzj4gAAABl0RVh0U29mdHdhcmUAd3d3Lmlua3NjYXBlLm9yZ5vuPBoAAAJcSURBVDiNpZM/aBRBFIe/N7M7m8vl8u+iuaRSiCaNIIgWphI7C2NhJBHBIpUBbUUQGwtBC9FC0gS0SkgsjBapYidiY8BGjEEQY7gke0a8y+V273bHIufmYuwc+DHM8Pjmvd+8J9Za/mc5f1/IuXmP1u0xUWq0tzPdHUNb/lf1o4VpxJu1z84W9sQ3ZiAjr4a62szE+RO5XH9vC34xRAQ6Mx5L+Qpzi36hUIqG7NMzb/YB5Mr8YF+u+fXFUz3G0YofxYD7owOIwK2ZJVpbUtRiy/P3hXDZDy/ZidNzAApAri5ks+2pucGBLuOXI/KlGtmMS9rTNBtNT3sT+WKEX44ZPNJhulpTE3Jj2dv1wJHhw92ZbKFsQWIQ4cvGNjPv1tAaFj4XaWpKgQiIcOhgOuevlMaAJw6Aa7xRtMNaeaecKIopBxG3X34FETItaXQMCCAWlIPreJcTQFWcox/WqrSnHDxXE1QqrD04mZjbfXMRL+2CQBDBz0pEVbmdiQdodzO0DuvbwkoJ/KqHuvY2AWxU4PsWrGwJ6xVFKC44bkeDB6awU5/CimBFwEYJwIrGKpN4gCgQPjVkYKbQBrRblwHV0GPaAcety9R3b3oXEKpJHHc1CRAF8W4GxNHOy47ZgSnlY7zZBGAf9wVoM442AdqFWoB9dHy3hIfHICz/OQaIvmBvZQr7W/nu+iBWvVBx1JVzyvRmFAfSQr5k+VZpxg/VKjBu72Tn/jkLAHKvmKUWDGNlRAn9StisxbaAyBTtm5P2el+wJz6ZBREDNDXIq/+SAiKgCoRApa5ta23tN8kY45Jk0LWdAAAAAElFTkSuQmCC") !important;
}