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

.container {
  width: 400px;
  border: 2px solid red;
  margin: 20px auto;
  padding: 10px;
}
ul {
  list-style: none;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 20px;
  justify-content: center;
  gap: 10px;
  & li {
    background-color: var(--bg-color);
    aspect-ratio: 1/1;
    border-radius: 50%;
  }
}