@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);
#main-window #content .tabbrowser-tabs {
margin-top:0px!important;
margin-bottom:0px!important;
border-top: 0px solid !important;
border-bottom: 0px solid !important;
}
.tabbrowser-tab{
border-top: 1px solid !important;
border-left: 2px solid !important;
border-right: 3px solid !important;
border-bottom: 2px solid !important;
-moz-border-top-colors: ThreeDHighlight !important;
-moz-border-left-colors: ThreeDLightShadow ThreeDHighlight !important;
-moz-border-right-colors: ThreeDDarkShadow ThreeDDarkShadow ThreeDShadow !important;
-moz-border-bottom-colors: ThreeDDarkShadow ThreeDShadow !important;
-moz-border-radius:2px !important;
padding: 0 0 2px 0 !important;
margin-bottom:0px!important;
margin-top:3px!important;
}
.tabs-bottom {
display:none!important;
}
.tabs-container:not([overflow="true"]) {
-moz-padding-start: 1px !important;
}
.tabs-alltabs-button,
.tabbrowser-arrowscrollbox > .scrollbutton-up,
.tabbrowser-arrowscrollbox > .scrollbutton-down {
border: 2px solid !important;
-moz-border-top-colors: ThreeDLightShadow ThreeDHighlight !important;
-moz-border-right-colors: ThreeDDarkShadow ThreeDShadow !important;
-moz-border-bottom-colors: ThreeDDarkShadow ThreeDShadow !important;
-moz-border-left-colors: ThreeDLightShadow ThreeDHighlight !important;
-moz-border-radius:2px !important;
padding: 1px !important;
margin-bottom:0px!important; 
}