$gray: #ccc;
$light-gray: lighten($gray, 5%);
$dark-gray: darken($gray, 5%);

.column-container {
  width: 100%;
  height: 100%;
}
.column {
  display: flex;
  flex-flow: column nowrap;
  justify-content: center;
  align-items: center;
  margin: 0;
  padding: 0;
  width: 100%;
  height: 33.33%;
  background-color: $gray;
  &.light {
    background-color: $light-gray;
  }
  &.dark {
    background-color: $dark-gray;
  }
  p {
    text-align: center;
    font-size: 1rem;
    line-height: .8em;
    font-weight: normal;
    color: lighten(black, 25%);
    &:last-child {
      font-style: normal;
      font-style: italic;
      font-size: 2rem;
      font-weight: bold;
    }
  }
}

@media screen and (min-width: 768px) {
  .column {
    width: 33.33%;
    height: 100%;
    &:last-child {
      font-size: 2.5rem;
    }
  }
}