.isotope-grid-sizer { width: 22%; }
.isotope-gutter-sizer { width: 4%; }
.isotope-element {
  float: left;
  width: 50px;
  height: 50px;
  background: #e6e5e4;
  border: 2px solid #b6b5b4;
  width: 22%;
  height: 50px;
}
.isotope-element.my-data-value { width: 48%; }

.grid-item { width: 20%; }

.grid-item--width2 { width: 40%; }