body {
  background-color: black;
  
}
img {
  max-width: 300px;
  max-height: 300px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.flex-container {
    display: flex;
    flex-wrap: wrap-reverse;
    background-color: slategrey;
    height: 5000px;
    align-items: flex-end;
    align-content: flex-end;
  }
  
  .flex-container > div {
    display: flex;
    background-color: tan;
    border: 2px solid black;
    width: 110px;
    height: 100px;
    margin: 15px;
    text-align: center;
    line-height: 75px;
    font-size: 30px;
    color: tan;
    justify-content: space-around;
    align-items: flex-end;
    align-content: stretch;
  }

  .column {
    column-count: 5;
    column-gap: 40px;
    column-rule-style: solid;
  }

  .a {
    color: tan;
  }