/* (A) GALLERY WRAPPER */
.gallery {
  /* (A1) GRID LAYOUT - 3 IMAGES PER ROW */
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  grid-gap: 10px;

  /* (A2) OPTIONAL WIDTH RESTRICT */
  max-width: 1200px;
  margin: 0 auto;
  overflow: hidden;
  padding-bottom: 50px;
}

.gallery-upload-block {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-gap: 10px;
  max-width: 1200px;
  margin: 0 auto;
  overflow: hidden;
  font-weight:bold;
  padding: 0 10px 20px 0;
}
@media only screen and (max-width: 1000px) {
  .gallery-upload-block {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media only screen and (max-width: 700px) {
  .gallery-upload-block {
    grid-template-columns: repeat(1, minmax(0, 1fr));
  }
}

.gallery-upload-title {
  display: grid;
  grid-template-columns: 1fr;
  grid-gap: 10px;
  max-width: 1200px;
  margin: 0 auto;
  overflow: hidden;
  font-weight:bold;
  padding: 0 10px 20px 0;
}

.gallery-upload-form {
  display: grid;
  grid-template-columns: 1fr;
  grid-gap: 10px;
  max-width: 1200px;
  margin: 0 auto;
  overflow: hidden;
  font-weight:bold;
  padding: 0 10px 0 0;
}

.gallery-title {
  display: grid;
  grid-template-columns: 1fr;
  grid-gap: 10px;
  max-width: 1200px;
  margin: 0 auto;
  overflow: hidden;
  font-weight:bold;
  padding: 0 10px 10px 10px;
}

/* (B) GALLERY IMAGES */
.gallery img {
  /* (B1) DIMENSION */
  width: 100%;
  height: 180px; /* optional */
  padding: 10px;

  /* (B2) COLORS */
  border: 1px solid #ddd;
  background: #fff;

  /* (B3) IMAGE RESIZE */
  /* cover | contain | fill | scale-down */
  object-fit: cover;
}

/* (C) ON SMALL SCREENS - 2 IMAGES PER ROW */
@media only screen and (max-width: 600px) {
  .gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* (D) OPTIONAL ZOOM ON HOVER */
/*.gallery img:hover {*/
  /*z-index: 9;*/
  /*transform: scale(1.3);*/
  /*!* linear | ease | ease-in | ease-out | ease-in-out *!*/
  /*transition: transform ease 0.5s;*/
/*}*/

.gallery img:hover {
  cursor: pointer;
}

/* (E) FULLSCREEN MODE */
.gallery img.full {
  position: fixed;
  top: 0; left: 0; z-index: 999;
  width: 100vw; height: 100%;
  object-fit: contain;
  background: rgba(0, 0, 0, 0.9);
}
.gallery img.full:hover {
  z-index: 999;
  transform: none;
}

/* (X) NOT IMPORTANT */
* {
  font-family: Arial, Helvetica, sans-serif;
  box-sizing: border-box;
}