#zahlenmodul35 .inhalt3kachelninner .kachel1::before {
  background: var(--btn-blue);
}
#zahlenmodul35 .inhalt3kachelninner .kachel2::before {
  background: var(--btn-blue);
}
#zahlenmodul35 .inhalt3kachelninner .kachel3l::before {
  background: var(--btn-blue); /* Gelb */
}



/* Basis: alle doc-links */
a.doc-link {
  text-decoration: none;
  color: inherit;
  padding: 0 0.5em;
  display: inline-block;
  outline-offset: 2px;
}

/* Farben */
a.doc-link.pink   { outline: 2px solid var(--btn-pink); }
a.doc-link.blue   { outline: 2px solid var(--btn-blue); }
a.doc-link.yellow { outline: 2px solid #D4D200; }

/* Abstand zwischen den Kasten-Links */
li:has(a.doc-link) {
  margin-bottom: 1.1em;
}
li:has(a.doc-link):last-child {
  margin-bottom: 0;
}