kann man das über die about:config ändern ?
Nein, das geht nur über die userChrome.css.
CSS
/* Spezielle Farbanpassungen für den Posteingang. */
treechildren::-moz-tree-cell-text(folderNameCol, specialFolder-Inbox) {
color: #0BAEF3 !important;
}
treechildren::-moz-tree-cell-text(folderNameCol, specialFolder-Inbox, selected) {
color: #000 !important;
}
treechildren::-moz-tree-cell-text(folderNameCol, specialFolder-Inbox, selected, focus) {
color: #FFF !important;
}
treechildren::-moz-tree-cell-text(folderNameCol, specialFolder-Inbox, hasUnreadMessages-true) {
font-weight: bold !important;
font-style: italic !important;
color: #00B93D !important;
}
treechildren::-moz-tree-cell-text(folderNameCol, specialFolder-Inbox, newMessages-true) {
font-weight: bold !important;
font-style: normal !important;
color: #FF4112 !important;
}
treechildren::-moz-tree-cell-text(folderNameCol, specialFolder-Inbox, hover),
treechildren::-moz-tree-cell-text(folderNameCol, specialFolder-Inbox, hasUnreadMessages-true, hover),
treechildren::-moz-tree-cell-text(folderNameCol, specialFolder-Inbox, selected, hover),
treechildren::-moz-tree-cell-text(folderNameCol, specialFolder-Inbox, selected, focus, hover) {
color: #000 !important;
}
Alles anzeigen
P.S.:
Die Farben musst Du natürlich noch Deinen Wünschen entsprechend anpassen.