footer {
  background: #333;
  color: #aaa;
  padding: 10px 40px;
  font-size: 13px;
  border-top: 4px solid #baff00;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

@media (max-width: 600px) {
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

footer a {
  color: #888;
  text-decoration: none;
  margin-right: 15px;
}

footer a:hover {
  color: white;
  border-bottom: 2px solid #baff00;
}