.wpModePiloting
{
    border: none;
    background-color:Transparent;
    background-image: url(/Images/Modes/Piloting.gif);
    background-repeat:no-repeat;
    background-position: center center;
    height: 15px;
    width: 17px;
}
.wpModeManagement
{
    border: none;
    background-color:Transparent;
    background-image: url(/Images/Modes/Management.gif);
    background-repeat:no-repeat;
    background-position: center center;
    height: 15px;
    width: 17px;
}