@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);

.tabbrowser-tab {
direction: ltr !important;
padding-left: 2px !important;
padding-right: 3px !important;
}
.tabbrowser-tab:first-child {
padding-left: 5px !important;
}
.tabbrowser-tab:not([busy="true"]) .tab-icon-image {
display: none !important;
}
.tabbrowser-tab:not([busy="true"]) {
padding-right: 10px !important;
}