.gallery {
  margin-bottom: 25px;
}
.gallery .gallery-item {
  height: auto;
  line-height: 0;
  margin-bottom: 15px;
  float: left;
}
.gallery .gallery-item {
  width: 100%;
}

@media screen and (min-width: 768px) {
  .gallery {
    margin: 0 -10px;
  }
  .gallery .gallery-item {
    width: 50%;
    padding: 0 10px;
    margin-bottom: 20px;
  }

  .gallery .gallery-item.gallery-item--width2 {
    width: 60%;
  }
  .gallery .gallery-item.gallery-item--width3 {
    width: 40%;
  }
}

@media screen and (min-width: 1200px) {
  .gallery {
    margin: 0 -12px;
  }
  .gallery .gallery-item {
    height: 375px;
    padding: 0 12px;
    margin-bottom: 24px;
  }

  .gallery .gallery-item.gallery-item--width2 {
    width: 57.109375%;
  }
  .gallery .gallery-item.gallery-item--width3 {
    width: 42.890625%;
  }

  .gallery .gallery-item.gallery-item--height2 {
    height: 624px;
  }
  .gallery .gallery-item.gallery-item--height3 {
    height: 307px;
  }
}

@media screen and (min-width: 1400px) {
  > .container {
    max-width: 1304px;
  }

  .gallery {
    margin: 0 -15px;
  }
  .gallery .gallery-item {
    padding: 0 15px;
    height: 430px;
    margin-bottom: 30px;
  }

  .gallery .gallery-item.gallery-item--height2 {
    height: 716px;
  }
  .gallery .gallery-item.gallery-item--height3 {
    height: 343px;
  }
}