Vorlage:Tagcloud/styles.css

/* TagCloud via TemplateStyles (sanitizer-safe)
 * No CSS variables, no rgba(), hex colors only.
 */

/* Light base */
.tagcloud,
tagcloud {
  background: #F7F7F8;        /* your light background */
  border-width: 1px;
  border-style: solid;
  border-color: #D1D5DB;      /* light grey (approx. 20% alpha look) */
  line-height: 1.35;
  padding: 0.75rem;
  overflow-wrap: normal;    /* prevent long tags from overflowing */
}

/* Keep MediaWiki default link colors; only tweak decoration */
.tagcloud a { text-decoration: none; }
.tagcloud a:hover { text-decoration: underline; }

/* OS-level dark fallback (works when Vector is set to "Automatic") */
@media (prefers-color-scheme: dark) {
  .tagcloud,
  tagcloud {
    background: #202122;      /* your dark bg */
    border-color: #72777D;    /* subtle dark border */
  }
}