.newsletter-container {
  display: flex;
  justify-content: flex-start;
  flex-wrap: wrap;
}

.newsletter-box {
  background-color: white;
  padding: 1rem;
  width: 100%;
  margin: 1rem 0rem 0rem 0rem;
}

.newsletter-box:last-child {
  margin-bottom: 2rem;
}

.box-date {
  font-size: min(max(24px, 3vw), 32px);
}

.box-themen {
  margin-top: 2rem;
  font-size: min(max(20px, 3vw), 24px);
}

a.box-link {
  font-size: min(max(20px, 3vw), 24px);
  color: var(--clr-green);
  text-decoration: none;
  transition: color 0.15s linear;
  display: inline-block;
  margin-top: 2rem;
}

a.box-link:hover {
  color: var(--clr-greendark);
}

.abo-btn {
  font-size: clamp(18px, 5vw, 24px);
  padding: 5px 25px;
  width: max-content;
  border: 2px solid var(--clr-dark);
  border-radius: 50px;
  cursor: pointer;
  color: var(--clr-dark);
  transition: all 0.15s var(--ease);
}

.abo-btn:hover {
  border: 2px solid var(--clr-green);
  color: var(--clr-green);
  transition: all 0.2s var(--ease);
}

@media screen and (min-width: 1024px) {
  .newsletter-container {
    flex-wrap: nowrap;
  }

  .newsletter-box {
    background-color: white;
    padding: 1rem;
    max-width: 33.333%;
    width: unset;
    flex-grow: 1;
    margin: 2rem 0.5rem 2rem 0.5rem;
  }

  .newsletter-box:nth-child(3n + 3) {
    margin-right: 0;
  }

  .newsletter-box:nth-child(1),
  .newsletter-box:nth-child(3n + 4) {
    margin-left: 0;
  }
}