User:LordBiro/monobook.css

/* make the box float to the right of the page, and have everything else wrap around it, and make it small */
 * 1) nightfall-notice { float: right; clear: right; width: 76px !IMPORTANT; min-width: 0px !IMPORTANT; }

/* make the image small too (no anti-aliasing) */
 * 1) nightfall-notice img { height: 64px; width: 64px; }

/* get rid of the text and the list */
 * 1) nightfall-notice p, #nightfall-notice ul { display: none; }