.tabbrowser-tab{
  padding-right:10px !important;
}

#content tab:not([selected="true"]) .tab-close-button{
  margin-top:-2px !important;
  margin-left:4px !important;
  -moz-image-region:rect(0px, 14px, 14px, 0px) !important;
}

#content tab:not([selected="true"]) .tab-close-button:hover{
  -moz-image-region:rect(0px, 28px, 14px, 14px) !important;
}

#content tab[selected="true"] .tab-close-button{
  margin-top:-2px !important;
  margin-left:4px !important;
  -moz-image-region:rect(0px, 28px, 14px, 14px) !important;
  -moz-opacity:0.7 !important;
}

#content tab[selected="true"] .tab-close-button:hover{
  -moz-opacity:1 !important;
}

.tabs-container > vbox > .tabs-closebutton{
  margin-top:2px !important;
  -moz-image-region:rect(0px, 28px, 14px, 14px) !important;
  -moz-opacity:0.7 !important;
}

.tabs-container > vbox > .tabs-closebutton:hover{
  -moz-opacity:1 !important;
}