body {

    font-family: Arial, sans-serif;

    background: #f4f4f4;

    margin: 0;

    padding: 10px;

}

.container {

    max-width: 100%;

    margin: 20px auto;

    padding: 15px;

    background: white;

    border-radius: 8px;

}

h1 {

    text-align: center;

    font-size: 1.5em;

}

label {

    display: block;

    margin: 10px 0 5px;

}

input {

    width: 100%;

    padding: 8px;

    margin-bottom: 10px;

    border: 1px solid #ccc;

    border-radius: 4px;

}

button {

    width: 100%;

    padding: 10px;

    background: #28a745;

    color: white;

    border: none;

    border-radius: 4px;

}

button:hover {

    background: #218838;

}

#invoice-preview {

    margin-top: 15px;

    padding: 10px;

    border: 1px solid #ccc;

    background: #f9f9f9;

}

.brand-name {

    font-size: 2em; /* Large font size */

    font-weight: bold;

    text-align: center;

    margin-bottom: 15px;

    color: #333;

}