.spoilers {
    padding: 2px;
    background: #000;
    color: #000;
}

.spoilers:hover {
    color: #fff;
}

.spoilers .postlink:link, .spoilers .postlink:visited, .spoilers .postlink:hover, .spoilers .postlink:active {
    color: #000;
    border-bottom-color: #000;
}