#changes {
  position: relative;
}

#changes .navigate {
  user-select: none;
  position: absolute;
  right: 0;
  top: 70px;
  z-index: 1;
}

#changes .navigate:before {
  content: "";
  background-color: var(--color-grey-light);
  width: 2px;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 2;
}

#changes .navigate .navigate-item {
  margin-bottom: 4px;
}

#changes .navigate .navigate-item:last-of-type {
  margin-bottom: 0;
}

#changes .navigate .navigate-item.navigate-item--active .navigate-link, #changes .navigate .navigate-item.navigate-item--active:hover .navigate-link, #changes .navigate .navigate-item.navigate-item--active:active .navigate-link {
  color: var(--color-white);
  background-color: var(--color-accent-base);
  z-index: 3;
}

#changes .navigate .navigate-item,
#changes .navigate .navigate-item .navigate-link {
  display: block;
}

#changes .navigate .navigate-item .navigate-link {
  background-color: transparent;
  color: var(--color-black);
  font-size: 14px;
  letter-spacing: -.12px;
  text-align: left;
  line-height: 24px;
  padding-left: 17px;
  padding-right: 12px;
  border-top-right-radius: 3px;
  border-bottom-right-radius: 3px;
  transition: background-color linear 75ms;
  position: relative;
  z-index: 1;
}

#changes .navigate .navigate-item .navigate-link:hover {
  background-color: var(--color-changes-navigate-link-background-hover);
}

#changes .navigate .navigate-item .navigate-link:active {
  background-color: var(--color-changes-navigate-link-background-active);
}

#changes .content {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding-top: 30px;
  padding-bottom: 126px;
}

#changes .content .title {
  color: var(--color-black);
  font-size: 22px;
}

#changes .content .notice {
  background: var(--color-changes-notice-background);
  margin-top: 18px;
  padding: 18px 28px;
  overflow: hidden;
  position: relative;
  border-radius: 2px;
}

#changes .content .notice:before {
  content: "";
  background-color: var(--color-grey-light);
  width: 5px;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
}

#changes .content .timeline .month {
  margin-top: 52px;
}

#changes .content .timeline .month .month-name {
  color: var(--color-black);
  font-size: 22px;
}

#changes .content .timeline .month .month-events {
  margin-top: 25px;
}

#changes .content .timeline .month .month-events .month-event {
  border-bottom: 1px solid var(--color-changes-month-event-border);
  margin-bottom: 14px;
  padding-bottom: 14px;
  display: flex;
  flex-direction: row;
}

#changes .content .timeline .month .month-events .month-event.month-event--deprecated .month-event-group {
  color: var(--color-red);
  padding-top: 10px;
}

#changes .content .timeline .month .month-events .month-event.month-event--deprecated .month-event-text {
  background-color: var(--color-changes-month-event-deprecated-background);
  border-color: var(--color-red);
  padding-top: 10px;
  padding-bottom: 10px;
  padding-right: 8px;
}

#changes .content .timeline .month .month-events .month-event:last-child {
  border-bottom: 0 none;
  margin-bottom: 0;
  padding-bottom: 0;
}

#changes .content .timeline .month .month-events .month-event .month-event-group,
#changes .content .timeline .month .month-events .month-event .month-event-text {
  font-size: 14px;
  line-height: 20px;
}

#changes .content .timeline .month .month-events .month-event .month-event-group {
  color: var(--color-changes-month-event-group-text);
  line-height: 22px;
  width: 120px;
  padding-top: 4px;
  padding-right: 8px;
  flex: 0 0 auto;
}

#changes .content .timeline .month .month-events .month-event .month-event-text {
  border-color: var(--color-grey);
  border-width: 0 0 0 2px;
  border-style: solid;
  padding: 4px 0 4px 14px;
  flex: 1;
}

@media screen and (max-width: 1140px) {
  #changes .content .content-aside {
    padding-right: 80px;
  }
}

@media screen and (max-width: 640px) {
  #changes .navigate {
    text-align: center;
    margin-top: 14px;
    position: static;
  }
  #changes .navigate:before {
    display: none;
  }
  #changes .navigate .navigate-item {
    margin-right: 1px;
  }
  #changes .navigate .navigate-item:last-of-type {
    margin-right: 0;
  }
  #changes .navigate .navigate-item,
  #changes .navigate .navigate-item .navigate-link {
    display: inline-block;
  }
  #changes .navigate .navigate-item .navigate-link {
    padding: 0 10px;
    border-radius: 3px;
  }
  #changes .content {
    padding-top: 22px;
    padding-bottom: 74px;
  }
  #changes .content .content-aside {
    padding-right: 0;
  }
  #changes .content .title,
  #changes .content .timeline .month .month-name {
    text-align: center;
  }
  #changes .content .notice {
    padding: 14px 24px;
  }
  #changes .content .timeline .month {
    margin-top: 36px;
  }
  #changes .content .timeline .month .month-events .month-event {
    border-bottom: 0 none;
    margin-bottom: 20px;
    padding-bottom: 0;
    display: block;
  }
  #changes .content .timeline .month .month-events .month-event .month-event-group, #changes .content .timeline .month .month-events .month-event.month-event--deprecated .month-event-group {
    padding: 0 0 2px;
  }
  #changes .content .timeline .month .month-events .month-event .month-event-text, #changes .content .timeline .month .month-events .month-event.month-event--deprecated .month-event-text {
    padding-top: 6px;
  }
  #changes .content .timeline .month .month-events .month-event.month-event--deprecated .month-event-text {
    padding-left: 10px;
    padding-right: 10px;
  }
  #changes .content .timeline .month .month-events .month-event .month-event-group {
    text-align: center;
    width: 100%;
  }
  #changes .content .timeline .month .month-events .month-event .month-event-text {
    border-width: 2px 0 0;
    padding-left: 2px;
    padding-right: 2px;
  }
}
