h1 {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.8); /* white with 80% opacity */
    z-index: 1000;          /* keeps it above other content */
  
    
    text-align: center;
    font-weight: bold;
    padding: 4px 0; /* smaller vertical padding */
    margin: 8px 0;  /* smaller vertical margin */
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  }