.gallery {
  background: none;width:100%; text-align:left;
  float:left;
}

.gallery-cell {
  width: 100%;
  height: 330px;
  float:left;
  
}

.gallery-cell img {
  display: block;
  max-height: 330px;
  max-width: 100%;
  margin: 30px 0px 0px 0px;
}
@media (max-width: 639px) {
.gallery {
  background: none;width:280px;
  float:none;
  margin:0 auto;
}
}