#nav-toggle {
  cursor: pointer;
  height: 13px;
  position: relative;
  transform: rotate(0deg);
  transition: 0.2s ease;
  width: 28px;
  z-index: 100;
}
@media screen and (min-width: 580px) {
  #nav-toggle {
    display: none;
  }
}

#nav-toggle span {
  background: #111;
  display: block;
  height: 1px;
  left: 0;
  opacity: 1;
  position: absolute;
  transform: rotate(0deg);
  transition: 0.2s ease;
  width: 100%;
}
#nav-toggle span:nth-child(1) {
  margin-top: -1px;
}
#nav-toggle span:nth-child(2), #nav-toggle span:nth-child(3) {
  margin-top: 6px;
}
#nav-toggle span:nth-child(4) {
  margin-top: 13px;
}

#nav-toggle.is-open span {
  background: #fff !important;
}
#nav-toggle.is-open span:nth-child(1),
#nav-toggle.is-open span:nth-child(4) {
  margin-top: 5.5px;
  width: 0%;
  left: 50%;
}
#nav-toggle.is-open span:nth-child(2) {
  transform: rotate(45deg);
}
#nav-toggle.is-open span:nth-child(3) {
  transform: rotate(-45deg);
}

.intro {
  font-size: 2em;
  text-align: center;
  line-height: 1;
  margin: 0 auto;
  z-index: -1;
  font-weight: 200;
  width: calc(100% - 80px);
  top: 0;
  height: 75vh;
  margin-top: 2em;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
@media screen and (min-width: 640px) {
  .intro {
    height: 50vh;
    min-height: 240px;
    max-height: 340px;
  }
}
.intro .year {
  color: #aaa;
}
.intro h1 {
  font-size: 1em;
}

.grid {
  padding: 0 40px 60px 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: 15px 15px;
  justify-content: center;
  grid-template-rows: masonry;
}
@media screen and (min-width: 800px) {
  .grid {
    grid-template-columns: repeat(auto-fit, minmax(min(18em, 100%), 1fr));
    padding: 0 4em 60px 4em;
  }
}
.grid > * {
  align-self: start;
}
.grid img {
  pointer-events: none;
}