body{background-color:#fff;font-family:Arial,sans-serif;margin:0;padding:0}h1{font-size:1.8em;margin-bottom:1.875rem;color:#1f2937}::-webkit-scrollbar{display:none}.button-container{display:flex;justify-content:center;align-items:center;width:100%;margin-top:1.25rem}button{width:15%;min-width:.75rem;padding:.625rem 1.25rem;background-color:#2563eb;border:none;color:#fff;border-radius:.3125rem;font-size:1rem;cursor:pointer;transition:background-color .3s ease}button:hover{background-color:#315c99}button:disabled{background-color:#ddd;cursor:not-allowed}