.gallery-row {
  display: -ms-flexbox; /* IE10 */
  display: flex;
  -ms-flex-wrap: wrap; /* IE10 */
  flex-wrap: wrap;
  padding: 0 10px;
  margin-top: 20px;
  padding-top: 50px;
  padding-bottom: 50px;
  margin-left: 150px;
  margin-right: 150px;
  border: 5px rgba(40, 84, 48, 0.2) double;
  border-radius: 25px;
}


@media (prefers-color-scheme: dark) {
  .gallery-row {
    border: 5px rgba(205, 205, 205) double;
   }
}

.gallery-button {
  display: -ms-flexbox; /* IE10 */
  display: flex;
  -ms-flex-wrap: wrap; /* IE10 */
  flex-wrap: wrap;
  padding-bottom: 50px;
  margin-left: 150px;
  margin-right: 150px;
}

.gallery-column {
  -ms-flex: 33.33%; /* IE10 */
  flex: 33.33%;
  max-width: 33.33%;
  padding: 0 4px;
}

.gallery-column img {
  margin-top: 8px;
  vertical-align: middle;
}

.gallery-column img:hover {
  opacity: 0.6;
}

@media only screen and (max-width: 800px) {
  .gallery-column {
    -ms-flex: 100%;
    flex: 100%;
    max-width: 100%;
    padding: 0 4px;
  }
  
  .gallery-row {
    margin-left: 0;
    margin-right: 0;
  }

  .gallery-button {
    margin-left: 0;
    margin-right: 0;
  }
}

@media only screen and (max-width: 1200px) {
  .gallery-row {
    margin-left: 0;
    margin-right: 0;
  }

  .gallery-button {
    margin-left: 0;
    margin-right: 0;
  }
}