.item-event {
  text-align: center;
  margin-bottom: 3rem;
}

.main-infos {
  margin: var(--gutter-width) 0 calc(var(--gutter-width) * 2) 0;
  text-align: center;
}

.section-title {
  border-top: 1px solid black;
  padding: var(--gutter-width);
  display: flex;
  justify-content: space-between;
}

.opener {
  -moz-transition: transform 0.5s;
  -webkit-transition: transform 0.5s;
  transition: transform 0.5s;
  cursor: pointer;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-column-gap: 20px;
  padding: 0 var(--gutter-width);
  margin: 0;
}

.rollup-opener {
  height: 45px;
  display: -ms-grid;
  justify-items: center;
  cursor: pointer;
  display: inline-grid;
}

.rollup-opener div {
  background-color: #181818;
  position: relative;
  width: 40px;
  height: 4px;
  -webkit-transition: all 0.25s ease-in-out;
  transition: all 0.25s ease-in-out;
}

.rollup-opener .vertical {
  width: 4px;
  height: 40px;
}

.rollup-opener .horizontal {
  top: 22px;
}

#toggle-now,
#toggle-soon,
#toggle-ended,
#toggle-archives,
.toggle-rollup {
  display: none;
}

#archives > .section-title {
  border: none;
  margin: 0;
}

.rollup-grid {
  grid-column: 1 / Span 12;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-column-gap: 30px;
  padding: var(--gutter-width);
}

.rollup-opener {
  transition: all 0.5s ease-in;
}

.opened {
  -webkit-transform: rotate(45deg);
  transform: rotate(45deg);
}

#now,
#soon,
#ended,
#archives,
.rollup {
  clear: both;
  overflow: hidden;
  border-top: none;
  display: none;
}

#archives h1 input {
  display: none;
}

#archives {
  padding-right: 0;
  padding-left: 0;
}

#now,
#soon,
#ended {
  display: grid;
}

.year {
  display: inline-block;
  grid-column: 1 / span 2;
}

.empty-alert {
  grid-column: 2 / span 10;
  text-align: center;
}

.filter {
  text-transform: lowercase;
}