.column-teaser {
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -ms-flex-wrap: wrap;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  margin: 0 0 30px;
}
.column-teaser__article {
  position: relative;
  -ms-flex: 1 0 33.3333%;
  -webkit-flex: 1 0 33.3333%;
  flex: 1 0 33.3333%;
  max-width: 33.3333%;
  padding: 12px 10px;
  border-left: 1px solid #f29779;
  border-bottom: 1px solid #f29779;
}
.column-teaser__article:nth-child(3n+1) {
  border-left: 0;
}
.column-teaser__article:nth-last-child(-n+3) {
  border-bottom: 0;
}
.column-teaser__column {
  margin: 0 0 5px;
}
.column-teaser__column a {
  position: relative;
  z-index: 1;
  font-size: 1.8rem;
  line-height: 2.1rem;
  font-weight: bold;
  word-break: break-word;
  color: #005bab;
}
.column-teaser__cover {
  display: block;
  height: 150px;
  margin: 0 0 8px;
  background-size: cover;
  background-position: 50%;
  background-repeat: no-repeat;
  text-indent: -9999px;
  overflow: hidden;
}
.column-teaser__category a {
  position: relative;
  z-index: 1;
  font-size: 1.4rem;
  line-height: 1.7rem;
  color: #ed1c24;
}
.column-teaser__title {
  margin: 0 0 5px;
  font-size: 1.8rem;
  line-height: 2.1rem;
  font-weight: bold;
}
.column-teaser__author {
  font-size: 1.4rem;
  line-height: 1.7rem;
}

@media screen and (max-width: 767px) {
  .column-teaser__article {
    -ms-flex: 1 0 50%;
    -webkit-flex: 1 0 50%;
    flex: 1 0 50%;
    max-width: 50%;
  }
  .column-teaser__article:nth-child(3n+1),
  .column-teaser__article:nth-child(2n) {
    border-left: 1px solid #f29779;
  }
  .column-teaser__article:nth-child(2n+1) {
    border-left: 0;
  }
  .column-teaser__article:nth-child(2n):nth-last-child(3) {
    border-bottom: 1px solid #f29779;
  }
  .column-teaser__article:nth-child(2n+1):last-child {
    display: none;
  }
}

@media screen and (max-width: 599px) {
  .column-teaser {
    margin: 0 -20px 20px;
  }
  .column-teaser__column a {
    font-size: 1.6rem;
    line-height: 1.8rem;
  }
  .column-teaser__cover {
    height: 120px;
  }
  .column-teaser__title {
    font-size: 1.6rem;
    line-height: 2rem;
  }
}