.image-gallery {
  margin: 0 auto;
}
.image-gallery .thumgalerys {
text-align: center;
margin-top: 6px;
}
.thumgalery {
    max-width: 80px;
    display: inline-block;
}
.image-gallery .primary {
background-color: #cccccc;
background-size: auto 100%;
background-repeat: no-repeat;
margin: 0 auto;
max-height: 350px;
min-width: 100%;
min-height: 350px;
border-radius: 20px;
background-image: url('img/tipe_gazg/gasholder_gorlovina.webp');
}

.thumgalery:hover .thumgalery-image, .selected .thumgalery-image {
  border: 4px solid #6b98cf;
}
.thumgalery-image {
width: 80px;
height: 70px;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  border: 4px solid transparent;
  cursor: pointer;
  border-radius: 10px;
}
.thumgalery-image.gal-1 {
  background-image: url(img/tipe_gazg/small/gasholder_gorlovina.webp);
}
.thumgalery-image.gal-2 {
  background-image: url(img/tipe_gazg/small/gasholder_hatrubki.webp);
}
.thumgalery-image.gal-3 {
  background-image: url(img/tipe_gazg/small/gasholder_vertical.webp);
}
.thumgalery-image.gal-4 {
  background-image: url(img/tipe_gazg/small/gasholder_standart.webp);
}
.thumgalery-image.gal-5 {
  background-image: url(img/tipe_gazg/small/gasholder_nazemny2.webp);
}