body {
  font-family: sans-serif;
  line-height: 1.4;
  font-size: 18px;
  padding: 20px;
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.grid {
  max-width: 1200px;
}

/* reveal grid after images loaded */
.grid.are-images-unloaded {
  opacity: 0;
}

.grid__item,
.grid__col-sizer {
  width: 32%;
}

.grid__gutter-sizer { width: 2%; }

/* hide by default */
.grid.are-images-unloaded .image-grid__item {
  opacity: 0;
}

.grid__item {
  margin-bottom: 20px;
  float: left;
}

.grid__item img {
  display: block;
  max-width: 100%;
}

h1 {
  margin-bottom: 10px;
}

video {
  margin-bottom: 20px;
}

.page-load-status {
  display: none; /* hidden by default */
  padding-top: 20px;
  border-top: 1px solid #DDD;
  text-align: center;
  color: #777;
}