/* Plugin Sederhana CSS */
body {
    background-color: #f9f9f9;
}

.plugin-sederhana-box {
    padding: 20px;
    border: 2px solid #333;
    background-color: #fff;
    max-width: 400px;
    margin: 20px auto;
    text-align: center;
    font-weight: bold;
    font-family: Arial, sans-serif;
}