.iw-umbau-intro {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}

.iw-umbau-intro__title {
  margin: 0 0 14px;
  font-size: 34px;
  line-height: 1.15;
}

.iw-umbau-intro__box {
  padding: 18px 20px;
  border: 1px solid rgba(0,0,0,.12);
  border-radius: 12px;
}