.container_box{
    margin: 0 auto;
}

.container_box .gallery a img {
  width: 33%;
  height: 300px;
  -webkit-transition: -webkit-transform .15s ease;
  -moz-transition: -moz-transform .15s ease;
  -o-transition: -o-transform .15s ease;
  -ms-transition: -ms-transform .15s ease;
  transition: transform .15s ease;
  position: relative;
  object-fit: cover;
}

.container_box .gallery a:hover img {
  -webkit-transform: scale(1.05);
  -moz-transform: scale(1.05);
  -o-transform: scale(1.05);
  -ms-transform: scale(1.05);
  transform: scale(1.05);
  z-index: 5;
}

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



@media only screen and (max-width: 992px){
  .container_box{
    width: 100%;
  }
  .container_box .gallery a img {
    width: 32.9%;
    height: 200px;
  }
}

@media only screen and (max-width: 768px){
  .container_box{
    width: 100%;
  }
  .container_box .gallery a img {
    width: 32.76%;
    height: 150px;
  }
}

@media only screen and (max-width: 538px){
  .container_box{
    width: 100%;
  }
  .container_box .gallery a img {
    width: 49%;
    height: 200px;
  }
}

@media only screen and (max-width: 450px){
  .container_box{
    width: 100%;
  }
  .container_box .gallery a img {
    width: 49%;
    height: 150px;
  }
}