/* footer.css */
footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 30px;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(20px);
  color: rgba(250,250,250,0.5);
  text-align: center;
  line-height: 30px;
  z-index: 1000;
}