body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 600px;
    margin: 50px auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

h1, h2 {
    text-align: center;
    color: #333;
}

input[type="file"] {
    display: block;
    margin: 20px auto;
}

button {
    display: block;
    width: 100%;
    padding: 10px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #0056b3;
}

ul {
    list-style-type: none;
    padding: 0;
}

ul li {
    background-color: #f9f9f9;
    padding: 10px;
    border: 1px solid #ddd;
    margin-bottom: 5px;
    border-radius: 5px;
    transition: background-color 0.3s;
}

ul li:hover {
    background-color: #ececec;
}