.au-distance-calculator {
    border: 1px solid #ddd;
    padding: 15px;
    max-width: 400px;
    background: #f9f9f9;
    border-radius: 8px;
}
.au-distance-calculator form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.au-distance-calculator button {
    background: #0073aa;
    color: white;
    border: none;
    padding: 8px;
    border-radius: 5px;
    cursor: pointer;
}
.au-distance-calculator button:hover {
    background: #005f8d;
}