.nig-gutenberg-block {
    border: 1px solid #ddd;
    padding: 15px;
    background-color: #f9f9f9;
}

.nig-gutenberg-block textarea {
    width: 100%;
    padding: 8px;
    margin-bottom: 10px;
}

.nig-gutenberg-block button {
    padding: 8px 16px;
}