body {
    background-color: #f4f4f4;
    font-family: Arial, sans-serif;
}

.container {
    max-width: 500px;
    margin: auto;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
}

.results {
    background: #e9ecef;
    padding: 10px;
    border-radius: 5px;
}

footer {
    padding: 10px;
    background: #007bff;
    color: white;
    position: relative;
    bottom: 0;
    width: 100%;
}