.main-block {
  margin: 80px auto;
  display: flex;
  padding: 0 20px;
}

.column-list {
  float: left;
  width: 300px;
}

.current-column,
.column-item {
  padding: 15px;
  margin: 10px 0;
  border-radius: 40px;
  text-align: center;
  box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.3);;
}

.current-column {
  background-color: #CF1322;
  color: #FFFFFF;
  font-size: 18px;
  font-weight: bold;
}

.column-item {
  font-size: 16px;
}

.column-item.selected {
  font-weight: bold;
  color: #CF1322;
}

.article-container {
  float: left;
  flex: 1;
  width: calc(100% - 300px - 40px);
  margin-left: 40px;
}

.breed-bar {
  margin-top: 20px;
  color: #999999;
}

.article-list {
  margin-top: 20px;
}

.article-item {
  margin: 10px 0;
  padding: 20px;
  overflow: hidden;
  border-radius: 6px;
  box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.3);;
}

.article-title {
  font-size: 18px;
  font-weight: bold;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.article-date {
  display: flex;
  align-items: center;
  font-size: 14px;
  margin-top: 10px;
  color: #999999;
}

.article-date:before {
  content: '';
  width: 20px;
  height: 20px;
  display: block;
  background-image: url(../assets/date-icon.svg);
  background-size: 20px 20px;
  margin-right: 10px;
}

@media screen and (max-width: 1000px) {
  .main-block {
    flex-direction: column;
    margin: 10px auto;
  }

  .current-column {
    color: #CF1322;
    background-color: transparent;
    box-shadow: none;
    font-size: 24px;
  }

  .column-list {
    display: none;
  }

  .article-container {
    float: none;
    width: inherit;
    margin-left: 0;
  }
}