* {
  box-sizing: border-box;
}

.gallery_header {
  text-align: center;
  padding: 32px;
}

/* Create two equal columns that floats next to each other */
.gallery_column {
  float: left;
  width: 50%;
  padding: 10px;
}

.gallery_column img {
  margin-top: 12px;
}

/* Clear floats after the columns */
.gallery_row:after {
  content: "";
  display: table;
  clear: both;
}