.tabs {
  background-color: #575757;
  position: sticky;
  top: 0;
  z-index: 900;

  /* centers the grid container */
  display: flex;
  justify-content: center;
}

/* THIS is the grid */
.tabs ul {
  display: grid;
  grid-template-columns: repeat(4, auto);
  justify-content: center; /* center the items inside grid */
  gap: 1rem;

  list-style: none;
  margin: 0;
  padding: 0;

  /* prevents stretching full width */
  width: fit-content;
}

.tabs ul li {
  padding: 0;
}

.tabs ul li a {
  display: block;
  padding: 1rem 2rem;
  text-align: center;
  text-decoration: none;
  font-style: italic;
  font-weight: 600;
  white-space: nowrap;
}

/* Active states */
.tabs ul li a.drag-strip.active { background: #e91d2d; }
.tabs ul li a.road-course.active { background: #1ebfdd; }
.tabs ul li a.oval-track.active { background: #fee60a; }
.tabs ul li a.special.active { background: #ff5e00; }

/* MOBILE: stack to 1 column */
@media (max-width: 520px) {
  .tabs ul {
    grid-template-columns: 1fr;
    width: 100%; /* now take full width */
  }

  .tabs ul li a {
    white-space: normal;
    padding: 0.9rem 1rem;
  }
}