#translate {
    background-image: url(../icons/translate_grey.png);  
    background-repeat: no-repeat;
    background-position: center center;
    height: 18px;
    margin: 10px 0px;
}

#translate.active{
    background-image: url(../icons/translate_orange.png);  
}

#translate:hover, #translate.active:hover{
    background-image: url(../icons/translate_white.png);  
  }