body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(to right, #74ebd5, #acb6e5);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background-color: white;
    padding: 30px 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    text-align: center;
}

.container h1 {
    margin-bottom: 20px;
    font-size: 24px;
    color: #333;
}

input[type="file"] {
    display: block;
    margin: 10px auto 20px auto;
    padding: 10px;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    background-color: #4e73df;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #2e59d9;
}