* {
  -webkit-box-sizing: border-box;
     -moz-box-sizing: border-box;
          box-sizing: border-box;
}

/* force scrollbar */
html { overflow-y: scroll; }

body {
  font-family: sans-serif;
}

/* ---- isotope ---- */

.grid {
  background: #DDD;
}

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

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

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

.grid-item {
  float: left;
  padding: 2px;
}

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