.grid {

}

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

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

.grid-item {
  width: 280px;
  height: 280px;
  float: left;
  position:relative;
  
}




.grid-item--width2 { width: 560px; }
.grid-item--height2 { height: 560px; }