--- /dev/null
+#icedeb-bts,
+#wrapper-icedeb-bts
+{list-style-image: url("chrome://icedeb/content/icedeb-bts.png");}
+
+#icedeb-pts,
+#wrapper-icedeb-pts
+{list-style-image: url("chrome://icedeb/content/icedeb-pts.png");}
+
+#icedeb-deb,
+#wrapper-icedeb-deb
+{list-style-image: url("chrome://icedeb/content/icedeb-deb.png");}
+
+/* common style for all custom buttons */
+.icedeb-button
+{-moz-image-region: rect( 0px 24px 24px 0px);}
+
+[iconsize="small"] .icedeb-button
+{-moz-image-region: rect( 0px 40px 16px 24px);}