[HMBeaty]

Ok, try this, and let me know what happens:

dl.stats  dt, #sidebar_container dl.stats, #sidebar_container  .blockbody.userprof_content, #sidebar_container .userprof_content .time,  .userprof_content .time {
    background-color: transparent;
    background-image: none;
    color: #000000;
}