* { box-sizing: border-box; }

body { font-family: sans-serif; }

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

.grid {
  background: #DDD;
}

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

.grid .imagen{
  height: 100%;
  padding: 10px;
  width: auto;
  object-fit: cover;
}

.grid .imagen2{
  width: 100%;
  height: auto;
  padding: 10px;
  object-fit: cover;
}
/* ---- .grid-item ---- */

.grid-item {
/* object-fit: cover;   */
  float: left;
  width: 300px;
  height: 300px;
  overflow-x: hidden;
  overflow-y: hidden;
  border: 2px solid #333; 
  border-color: hsla(0, 0%, 0%, 0.7);
}

.grid-item--width2 { width: 270px !important; }
.grid-item--height2 { height: 400px; }