.grid {
  overflow: hidden;
  padding-bottom: 60px;
}

.grid:after {
  content: '';
  display: block;
  clear: both;
}


/* ---- .grid-item ---- */

.grid-sizer,
.grid-item {
  width: 33.333%;
}

.grid-item {
  float: left;
}

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