.uu-photo-grid-container {
  position: relative;
  width: 100%;
  height: 600px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  column-gap: 20px;
  row-gap: 20px;
  box-sizing: border-box;
  justify-items: stretch;
  align-items: stretch;

}
.uu-photo-grid-item {
  background-repeat: no-repeat;
  background-size: cover;
}
.uu-photo-grid-item-01 {
  grid-column: 1 / 3;
  grid-row: 1 / 3;
}
.uu-photo-grid-item-02 {
  grid-column: 3 / 5;
  grid-row: 1 / 1;
}
.uu-photo-grid-item-03 {
  grid-column: 5 / 6;
  grid-row: 1 / 1;
}
.uu-photo-grid-item-04 {
  grid-column: 3 / 4;
  grid-row: 2 / 2;
}
.uu-photo-grid-item-05 {
  grid-column: 4 / 6;
  grid-row: 2 / 2;
}


@media screen and (max-width: 900px) {
  .uu-photo-grid-container {
    grid-template-columns: 1fr  50px 1fr;
    grid-template-rows: 1fr 1fr 1fr;
    column-gap: 10px;
    row-gap: 10px;
    height: 800px;
  }
  .uu-photo-grid-item-01 {
    grid-column: 1 / 4;
    grid-row: 1 / 1;
  }
  .uu-photo-grid-item-02 {
    grid-column: 1 / 3;
    grid-row: 2 / 2;
  }
  .uu-photo-grid-item-03 {
    grid-column: 3 / 4;
    grid-row: 2 / 2;
  }
  .uu-photo-grid-item-04 {
    grid-column: 1 / 2;
    grid-row: 3 / 3;
  }
  .uu-photo-grid-item-05 {
    grid-column: 2 / 4;
    grid-row: 3 / 3;
  }
}