Eine Anpassung fehlt nun noch:
Wie verpasse ich BSI Bürger CERT das beigefügte Icon?
Am besten gleich ab Zeile 135.
Wäre nett, wenn da jemand eine Idee hat. 
CSS
/* Schriftgröße & Stärke für alle Systemordner */
li[data-folder-type="inbox"],
li[data-folder-type="drafts"],
li[data-folder-type="sent"],
li[data-folder-type="junk"],
li[data-folder-type="outbox"],
li[data-folder-type="trash"] {
font-size: 15px !important;
font-weight: bold !important;
}
/* Posteingang in Rot */
li[data-folder-type="inbox"] {
color: red !important;
}
/* Entwürfe in Hell-Grün */
li[data-folder-type="drafts"] {
color: #12ff12 !important;
}
/* Gesendet in Lichtblau */
li[data-folder-type="sent"] {
color: #5cc4f5 !important;
}
/* Junk in Orange */
li[data-folder-type="junk"] {
color: #fda100 !important;
}
/* Postausgang in Dunkelblau */
li[data-folder-type="outbox"] {
color: blue !important;
}
/* Papierkorb in Hell-Lila */
li[data-folder-type="trash"] {
color: #c822ff !important;
}
/* Selbst angelegte Ordner */
/* Schriftgröße & Stärke für alle selbst angelegten Ordner */
li#all-bWFpbGJveDovL25vYm9keUBMb2NhbCUyMEZvbGRlcnMvQW1hem9uK1BheXBhbA\=\=,
li#all-bWFpbGJveDovL25vYm9keUBMb2NhbCUyMEZvbGRlcnMvRFJL,
li#all-bWFpbGJveDovL25vYm9keUBMb2NhbCUyMEZvbGRlcnMvRWlua2F1ZitWZXJrYXVm,
li#all-bWFpbGJveDovL25vYm9keUBMb2NhbCUyMEZvbGRlcnMvRWludHJhY2h0,
li#all-bWFpbGJveDovL25vYm9keUBMb2NhbCUyMEZvbGRlcnMvRmFtaWxpZQ\=\=,
li#all-bWFpbGJveDovL25vYm9keUBMb2NhbCUyMEZvbGRlcnMvRmluYW56ZW4rU3RldWVy,
li#all-bWFpbGJveDovL25vYm9keUBMb2NhbCUyMEZvbGRlcnMvRmlyZWZveCtVbXp1,
li#all-bWFpbGJveDovL25vYm9keUBMb2NhbCUyMEZvbGRlcnMvSW50ZXJuZXQ\=,
li#all-bWFpbGJveDovL25vYm9keUBMb2NhbCUyMEZvbGRlcnMvS2xlaW5hbnplaWdlbg\=\=,
li#all-bWFpbGJveDovL25vYm9keUBMb2NhbCUyMEZvbGRlcnMvU29uc3RpZ2Vz,
li#all-bWFpbGJveDovL25vYm9keUBMb2NhbCUyMEZvbGRlcnMvVXJsYXVi,
li#all-bWFpbGJveDovL25vYm9keUBMb2NhbCUyMEZvbGRlcnMvVmVyZGllbnN0K0dld2lubmU\=,
li#all-bWFpbGJveDovL25vYm9keUBMb2NhbCUyMEZvbGRlcnMvV29obnVuZw\=\=,
li#all-bWFpbGJveDovL25vYm9keUBGZWVkcy0yL0FQS01pcnJvcg\=\=,
li#all-bWFpbGJveDovL25vYm9keUBGZWVkcy0yL0JTSSUyMEIlQzMlQkNyZ2VyJTIwQ0VSVA\=\= {
font-size: 15px !important;
font-weight: bold !important;
}
/* Amazon + Paypal in Waldgrün */
li#all-bWFpbGJveDovL25vYm9keUBMb2NhbCUyMEZvbGRlcnMvQW1hem9uK1BheXBhbA\=\= {
color: #11bb22 !important;
}
/* DRK in Braun */
li#all-bWFpbGJveDovL25vYm9keUBMb2NhbCUyMEZvbGRlcnMvRFJL {
color: #9c6b30 !important;
}
/* Einkauf + Verkauf in Brombeere */
li#all-bWFpbGJveDovL25vYm9keUBMb2NhbCUyMEZvbGRlcnMvRWlua2F1ZitWZXJrYXVm {
color: #5500bf !important;
}
/* Eintracht in Hellblau */
li#all-bWFpbGJveDovL25vYm9keUBMb2NhbCUyMEZvbGRlcnMvRWludHJhY2h0 {
color: #9eeeff !important;
}
/* Familie in Nittelblau*/
li#all-bWFpbGJveDovL25vYm9keUBMb2NhbCUyMEZvbGRlcnMvRmFtaWxpZQ\=\= {
color: #108dbb !important;
}
/* Finanzen und Steuer in Dunkelgrün */
li#all-bWFpbGJveDovL25vYm9keUBMb2NhbCUyMEZvbGRlcnMvRmluYW56ZW4rU3RldWVy {
color: #04470f !important;
}
/* Firefox+Umzu in Hellocker */
li#all-bWFpbGJveDovL25vYm9keUBMb2NhbCUyMEZvbGRlcnMvRmlyZWZveCtVbXp1 {
color: #b57b07 !important;
}
/* Internet in Dunkelpink */
li#all-bWFpbGJveDovL25vYm9keUBMb2NhbCUyMEZvbGRlcnMvSW50ZXJuZXQ\= {
color: #ff1493 !important;
}
/* Kleinanzeigen in Elfenbein */
li#all-bWFpbGJveDovL25vYm9keUBMb2NhbCUyMEZvbGRlcnMvS2xlaW5hbnplaWdlbg\=\= {
color: #dfcea1 !important;
}
/* Sonstiges in Hellbronze */
li#all-bWFpbGJveDovL25vYm9keUBMb2NhbCUyMEZvbGRlcnMvU29uc3RpZ2Vz {
color: #f5c67e !important;
}
/* Urlaub in Rosa */
li#all-bWFpbGJveDovL25vYm9keUBMb2NhbCUyMEZvbGRlcnMvVXJsYXVi {
color: #ebacda !important;
}
/* Verdienst+Gewinne in Melonengelb */
li#all-bWFpbGJveDovL25vYm9keUBMb2NhbCUyMEZvbGRlcnMvVmVyZGllbnN0K0dld2lubmU\= {
color: #f4a900 !important;
}
/* Wohnung in Umbragrün */
li#all-bWFpbGJveDovL25vYm9keUBMb2NhbCUyMEZvbGRlcnMvV29obnVuZw\=\= {
color: #ccc71d !important;
}
/* APKMirror in Dunkelblau */
li#all-bWFpbGJveDovL25vYm9keUBGZWVkcy0yL0FQS01pcnJvcg\=\= {
color: #25568e !important;
}
/* BSI Bürger CERT in Crimson */
li#all-bWFpbGJveDovL25vYm9keUBGZWVkcy0yL0JTSSUyMEIlQzMlQkNyZ2VyJTIwQ0VSVA\=\= {
color: #b42041 !important;
}
