body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    text-align: center;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 2em;
    margin-bottom: 0.5em;
}

p {
    font-size: 1.2em;
    margin-bottom: 1em;
}

.form-group {
    margin-bottom: 1em;
}

label {
    display: block;
    font-weight: bold;
    margin-bottom: 0.5em;
}

input[type="file"] {
    display: block;
    margin: 0 auto;
}

.btn {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
}

.btn:hover {
    background-color: #45a049;
}