.view {
  display: block;
}

.hidden {
  display: none;
}

.container,
.fish-container {
  margin: 0 auto;
}

.row,
.fish-row {
  display: flex;
  flex-wrap: wrap;
}

.column-one-fourth {
  width: calc(100%/4);
}

.column-full {
  width: 100%;
}

.column-half {
  width: 50%;
}

.column-two-third {
  width: calc(200%/3);
}

.column-one-sixth {
  width: calc(100%/6);
}

.column-three-fourth {
  width: calc(300%/4);
}