main {
  margin: 3rem auto;
  max-width: 90vw;
  width: 50ch;
}

ul {
  padding: 0;
  list-style-type: none;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
}

li {
  height: 180px;
  width: 150px;
  border: rgba(42, 196, 230, 0.705) 4px solid;
  color: #1a1a1a;
  font-size: 100px;
  margin: 0 1rem;
  min-width: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}