.main-banner {
  background: url("../images/events/summer-2015-042.jpeg") center no-repeat
    fixed;
  background-size: cover;
  transition: background 0.3s;
  padding: 200px 0;
}

.content-row {
  padding: 25px;
  max-width: 960px;
  margin: 0 auto;
}

.filter-container {
  display: flex;
  flex-wrap: wrap;
  column-gap: 20px;
}

.filter-container .button {
  padding: 13px;
  margin-bottom: 20px;
}

.filter-container .button.is-active {
  background-color: #ffffff;
  color: #b24d27;
}

.filter-row h3 {
  margin-bottom: 5px;
}

.event-year-header {
  margin-top: 25px;
}

.event {
  cursor: pointer;
  margin-bottom: 10px;
}

.event-content {
  padding: 10px;
  border-radius: 5px;
  background-color: #000000;
  color: #ffffff;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.event-content .event-date {
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
}

.event-content .event-date .event-month {
  font-weight: 700;
  text-transform: uppercase;
  font-size: 14px;
}

.event-content .event-date .event-day {
  font-weight: 700;
  text-transform: uppercase;
  font-size: 24px;
}

.event-content .event-detail {
  display: flex;
  flex-direction: column;
}

.event-content .event-detail .event-title {
  font-weight: 700;
  text-transform: uppercase;
  font-size: 20px;
}

.event-content .event-detail .event-location {
  font-size: 14px;
}

.event .event-description {
  display: none;
  padding: 20px;
  border: 1px solid;
  border-top: 0;
  border-radius: 5px;
}

.event.active .event-description {
  display: block;
}

.event.active .event-description .description {
  font-size: 14px;
  line-height: 25px;
}

.event.active .event-description .meta {
  font-size: 12px;
  font-weight: 600;
}

@media (min-width: 1000px) {
  .filter-container {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    max-width: 960px;
    padding: 0;
    margin: 25px auto;
    gap: 20px;
  }

  .filter-container .button {
    padding: 13px;
    margin-bottom: 0;
  }
}