#rft.claro {
        
    .qedLoading {
        background-image: url('images/loading-lightgrey-on-darkgrey.gif');
        background-repeat: no-repeat;
        background-color: transparent;
        border: none;
        width: 16px;
        height: 11px;
        display: inline-block;
    }

    .dijitTabContainerLeft-tabs .dijitTab.dijitTabHover .qedLoading {
        background-image: url('images/loading-white-on-darkgrey.gif');
    }

    .blue {
        .dijitTabContainerLeft-tabs .dijitTab.dijitTabChecked .qedLoading {
            background-image: url('images/loading-white-on-blue.gif');
        }
    }

}