* {
  padding: 0;
  margin: 0;
}

.galery {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}

.galery__item {
  position: relative;
  width: calc(100% / 3 - 10px);
  height: 150px;
  margin-bottom: 20px;
  margin-right: 15px;
  overflow: hidden;
  border-radius: 10px;
}

.galery__item_bg {
  width: 100%;
  height: 100%;
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
}

.galery__item:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  width: 100%;
  height: 100%;
  background: #f44b0b url(../img/plus.svg) center center;
  background-repeat: no-repeat;
  background-size: 50px 50px;
  opacity: 0;
  visibility: hidden;
  -webkit-transition: 0.8s;
  transition: 0.8s;
  border-radius: 10px;
}

.galery__item:hover:before {
  opacity: 0.8;
  visibility: visible;
  -webkit-transition: 0.8s;
  transition: 0.8s;
}

.galery__item:nth-child(3n) {
  margin-right: 0;
}

.galery__item img {
  max-width: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}

@media screen and (max-width: 992px) {
  .galery__item {
    width: calc(100% / 2 - 7.5px);
  }
  .galery__item:nth-child(2n) {
    margin-right: 0;
  }
  .galery__item:nth-child(3n) {
    margin-right: auto;
  }
}

@media screen and (max-width: 767px) {
  .galery__item {
    width: 100%;
    margin-right: 0;
  }
}