bug 117781 - tab components out of alignment. r=andreww, sr=hewitt.

themes/classic/global/win/tabbox.css

@@ -65,6 +65,7 @@ tab
   -moz-border-left-colors: ThreeDHighlight ThreeDLightShadow;
   -moz-border-radius-topleft: 2px;
   -moz-border-radius-topright: 2px;
+  -moz-border-radius-bottomright: 1px;
   padding: 1px 4px 2px 4px;
   background-color: -moz-Dialog;
   color: -moz-DialogText;
@@ -107,7 +108,7 @@ tab[first-tab="true"][selected="true"] {
   margin-bottom: 2px;
   border-top: 1px solid;
   border-bottom: 2px solid;
-  -moz-border-top-colors: ThreeDHighlight;
+  -moz-border-top-colors: ThreeDShadow;
   -moz-border-bottom-colors: ThreeDShadow ThreeDLightShadow;
   -moz-border-radius-topleft: 0;
   -moz-border-radius-topright: 0;
@@ -123,12 +124,10 @@ tab[first-tab="true"][selected="true"] {
 }
 
 .tab-bottom[beforeselected="true"] {
-  -moz-border-radius-topright: 2px;
   -moz-border-radius-bottomright: 0;
 }
 
 .tab-bottom[afterselected="true"] {
-  -moz-border-radius-topleft: 2px;
   -moz-border-radius-bottomleft: 0;
 }
 
@@ -139,4 +138,5 @@ tab[first-tab="true"][selected="true"] {
   border-top: 1px solid ThreeDShadow;
   border-bottom: none;
 }
+