* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-size: 50px;
  background-color: #000;
}

.grandparent {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  height: 50vh;
  background-color: #000;
  padding: 0px;
}

.parent {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

@media all and (min-width: 36em) {
  .parent {
    width: 12.5%;
  }
}
.white {
  background-color: #bfbfbf;
}

.yellow {
  background-color: yellow;
}

.cyan {
  background-color: cyan;
}

.green {
  background-color: lime;
}

.magenta {
  background-color: magenta;
}

.red {
  background-color: red;
}

.blue {
  background-color: blue;
}

.black {
  background-color: black;
}