div { background-color: blue;
  height: 50px;}

.first { font-size: 15pt;
  width: 5ch;
  font-family: "";
  position: relative;
}

.second { font-size: 20pt;
  width: 5ch;
  font-family: "";
  position: absolute;
}

.third { font-size: 5vmax;
  width: 5ch;
  font-family: "";
  position: static;
}

.fourth { font-size: 5vmax;
  width: 5ch;
  font-family: "";
  position: fixed;
}

.fifth { font-size: 5vmax;
  width: 5ch;
  font-family: "";
  position: sticky;
}