.library-container {
  padding-top: 140px;
  padding-bottom: 140px;
}

.library__title {
  text-align: center;
  margin-bottom: 60px;
}

.article__title,
.standards__title {
  font-weight: 700;
  font-size: 30px;
  line-height: 41px;
  color: var(--text-hover-color);
  margin-bottom: 20px;
}

.standards__item-left {
  margin-bottom: 15px;
}

.standards__item-left .tabs__btn-active,
.standards__btn:hover {
  color: var(--text-hover-color);
}

.standards__btn {
  font-weight: 700;
  font-size: 21px;
  line-height: 29px;
  color: var(--disabled-color);
  text-align: left;
  transition: color .3s ease-in-out;
}