* {
  box-sizing: border-box;
}
body {
  background-color: #212126!important;
}
.gallery {
  margin-top: calc(3rem + 55px);
  text-align: center;
}
.rowImg {
  display: flex;
  flex-wrap: wrap;
  padding: 0 4px;
  margin-top: 3rem;
}
.columnImg {
  flex: 33%;
  max-width: 33%;
  padding: 0 4px;
}
.columnImg img {
  margin-top: 8px;
  width: 100%;
}