body {
    font-family: Arial, sans-serif;
    background-color: #f4f7f6;
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
}

.container {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    max-width: 600px;
    width: 100%;
    text-align: center;
}

.upload-box input {
    display: none;
}

.upload-box label {
    background-color: #007bff;
    color: white;
    padding: 12px 25px;
    border-radius: 5px;
    cursor: pointer;
    display: inline-block;
    margin-top: 15px;
}

.preview-area {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0;
    justify-content: center;
}

.preview-area img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 5px;
    border: 1px solid #ddd;
}

.btn {
    background-color: #28a745;
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 16px;
    border-radius: 5px;
    cursor: pointer;
}