body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    padding: 20px;
}
.container {
    max-width: 600px;
    margin: 0 auto;
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}
h2 {
    color: #00BCD4;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
}
label {
    display: block;
    margin: 10px 0 5px;
    font-weight: bold;
    color: #333;
}
input[type="text"], input[type="email"], input[type="file"] {
    width: calc(100% - 22px);
    padding: 10px;
    margin-bottom: 20px;
    border: 1px solid #ccc;
    border-radius: 4px;
}
input[type="submit"] {
    background-color: #00BCD4;
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}
input[type="submit"]:hover {
    background-color: #0097A7;
}
.generated-signature {
    margin-top: 30px;
    padding: 20px;
    border: 1px dashed #00BCD4;
    background: #e0f7fa;
}
.copy-info {
    font-size: 14px;
    margin-top: 10px;
    color: #555;
}
div.white {background:#fff;}