In der Add-on Leiste ist ja auch noch ein Feld.
CSS
@-moz-document url-prefix("chrome://nosquint/content/dlg-site.xul"){
.dialog-button[label="OK"]{
list-style-image: url("data:image/png;base64,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") !important;}
.dialog-button[label="OK"] .button-icon {margin-left: -15px !important; margin-right: 10px !important; }
.dialog-button[label="Abbrechen"]{
list-style-image: url("data:image/png;base64,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") !important;}
.dialog-button[label="Abbrechen"] .button-icon { margin-right: 10px !important; }
.dialog-button[label="Globale Einstellungen"]{
list-style-image: url("data:image/gif;base64,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") !important;}
.dialog-button[label="Globale Einstellungen"] .button-icon { margin-right: 10px !important; }
#full-zoom-button,
#text-zoom-button{
list-style-image: url("data:image/png;base64,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") !important;}
#full-zoom-button .button-icon,
#text-zoom-button .button-icon{ margin-right: 10px !important; }
}
Alles anzeigen
[Blockierte Grafik: http://www7.pic-upload.de/thumb/07.04.13/sq4q6qq9o757.jpg]