.asta-gallery-section {
    display: flex;
    flex-flow: wrap;
}
.asta-gallery-collumn {
    max-width: 32%!important;
    height: 478px;
    margin-right: 2%!important;
    margin-bottom: 2%!important;
}
.asta-gallery-collumn a {  
    display: block;
    border-radius: 15px!important;
    overflow: hidden;
 }
.asta-gallery-collumn:nth-of-type(3n) {
    margin-right: 0!important;
}
.asta-gallery-collumn img {
    width: 100%!important;
    height: 480px;
    object-fit: cover;
    border-radius: 20px;
}
.asta-gallery-collumn.multiple-images {
  display: flex;
  flex-flow: wrap;
  flex-direction: column;
 justify-content: space-between;
}

.asta-gallery-collumn.multiple-images a {
    display: block;
    height: 48%;
    overflow: hidden;
    border-radius: 20px!important;
}
.asta-gallery-collumn.multiple-images img {
    width: 100%!important;
    object-fit: cover;
   
}
@media only screen and (max-width:780px) { 
    .asta-gallery-collumn {
        max-width: 48%!important;
        height: 478px;
        margin-right: 2%!important;
        margin-bottom: 2%!important;
    }
    .asta-gallery-collumn:nth-of-type(3n) {
        margin-right: 2%!important;
    }
    .asta-gallery-collumn:nth-of-type(2n) {
        margin-right: 0!important;
    }
    .asta-gallery-collumn.multiple-images a {
        height: 48.5%;
    }
}
@media only screen and (max-width:655px) { 
    .asta-gallery-collumn {
        margin-right: 0!important;
        width: 100%!important;
        max-width: 100%!important;
    }
    .asta-gallery-collumn:nth-of-type(3n) {
        margin-right: 0!important;
    }
    .asta-gallery-collumn.multiple-images a {
        height: 48.8%;
    }
}
@media only screen and (max-width:600px) { 
    .asta-gallery-collumn.multiple-images a {
        height: 49.1%;
    }
}
@media only screen and (max-width:470px) { 
    .asta-gallery-collumn.multiple-images a {
        height: 49.3%;
    }
}