Note: After saving, you have to bypass your browser's cache to see the changes. Google Chrome, Firefox, Microsoft Edge and Safari: Hold down the ⇧ Shift key and click the Reload toolbar button. For details and instructions about other browsers, see Wikipedia:Bypass your cache.
span.updatedmarker {
   background-color: transparent;    color: #006400;
}
.mw-special-Watchlist .mw-changeslist-line-watched .mw-title a {
   font-weight: bold;
}

.mw-special-Watchlist .mw-rollback-link {
    display: none;
}