.wpCategoryPiloting
{
    border: none;
    border-style:none;
    background-color:Transparent;
    background-image: url(/Images/Categories/Piloting.gif);
    background-repeat:no-repeat;
    background-position: center center;
    height: 15px;
    width: 19px;
    margin:0px 0px;
}
.wpCategoryManagement
{
    border: none;
    background-color:Transparent;
    background-image: url(/Images/Categories/Management.gif);
    background-repeat:no-repeat;
    background-position: center center;
    height: 15px;
    width: 19px;
    margin:0px 0px;
}
.wpCategoryData
{
    border: none;
    background-color:Transparent;
    background-image: url(/Images/Categories/Data.gif);
    background-repeat:no-repeat;
    background-position: center center;
    height: 15px;
    width: 19px;
    margin:0px 0px;
}