html, body {
  font-family: 'Slabo 27px', serif;
  padding: 0;
  margin: 0;
  background: #ffffff;
}

/* Reset CSS */

* {
  box-sizing: border-box;
}

a {
  color: #4ab19a;
}

.clear {
  clear: both;
  float: none;
  width: 100%;
}
/* Reset CSS */

.align-center {
  text-align: center;
}

/* CSS for gallery section */

.gallery {
  position: relative;
  float: left;
  height: 100%;
  padding-bottom: 15px;
}

.grid-container {
  display: grid;
  grid-gap: 10px;
  padding: 10px 0;
}

.gallery a {
  position: relative;
  /* display: inline-block; */
  overflow: hidden;
  background: #fff;
}

  .gallery a img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
  }

.item1 {
  grid-column: 1;
  grid-row: 1 / span 2;
}

.item2 {
  grid-column: 2;
  grid-row: 1;
}

.item3 {
  grid-column: 3 / span 2;
  grid-row: 1;
}

.item4 {
  grid-column: 2 / span 2;
  grid-row: 2;
}

.item5 {
  grid-column: 4;
  grid-row: 2;
}

.gallery a:not(hover) img {
  -webkit-transition: all .3s ease-out;
  transition: all .3s ease-out;
}

.gallery a:hover img {
  -webkit-transition: all .3s ease-out;
  transition: all .3s ease-out;
  -webkit-transform: scale(1.03);
  -moz-transform: scale(1.03);
  -o-transform: scale(1.03);
  -ms-transform: scale(1.03);
  transform: scale(1.03);
  z-index: 5;
}

.gallery a.small:last-child,
.gallery a.medium:last-child {
  margin-bottom: 0;
}

/* CSS for gallery section */

/* media-query */

@media screen and (max-width:575px) {

  .grid-container {
    grid-gap: 10px 0px;
  }

  .item1 {
    grid-column: 1 / span 4;
    grid-row: 1;
  }

  .item2 {
    grid-column: 2;
    grid-row: 2;
    margin-right: 10px;
  }

  .item3 {
    grid-column: 3 / span 2;
    grid-row: 2;
  }

  .item4 {
    grid-column: 2 / span 2;
    grid-row: 3;
  }

  .item5 {
    grid-column: 4;
    grid-row: 3;
    margin-left: 10px;
  }
}

/* media-query */