.availabilities_grid_4, .availabilities_grid_5 {
  float: left;
  border-left: 1px solid #E7E7E7;
}

.availabilities_grid_4 {
  width: 25%;
  background-color: #fff;
}
.availabilities_grid_5 {
  width: 20%;
  background-color: #fff;
}