.tab-btn {
  padding: 12px 24px;
  color: #888888;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color 0.2s ease, background-color 0.2s ease,
    border-color 0.2s ease;
}


.tab-active {
  color: hsl(0, 0%, 20%);
  background-color: hsla(0, 0%, 53%, 0.15);
  border-bottom: 2px solid hsla(0, 0%, 20%, 0.623);
}