/* General body style */
body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
    color: #333;
    text-align: center;
}

/* Headings */
h1 {
    color: #333;
    text-align: center;
}
h2 {
    border-bottom: 2px solid #007BFF;
    padding-bottom: 5px;
}

/* Button styles */
.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #007BFF;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease-in-out;
}
.btn:hover {
    background-color: #0056b3;
}
.btn-green {
    background-color: #28a745;
}
.btn-red {
    background-color: #dc3545;
}
.btn-blue {
    background-color: #007BFF;
}

/* Container styles */
.container {
    max-width: 900px;
    margin: 40px auto;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}
.section {
    padding: 20px;
    border-bottom: 1px solid #ddd;
}
.section:last-child {
    border-bottom: none;
}

/* Navbar */
.navbar {
    background-color: #007BFF;
    padding: 15px;
    text-align: center;
}
.navbar a {
    color: white;
    text-decoration: none;
    font-size: 18px;
    margin: 0 15px;
}

/* Notifications */
.notification {
    padding: 10px;
    margin: 10px 0;
    border-left: 5px solid #007BFF;
    background-color: #f9f9f9;
}
.notification.error {
    border-left-color: #dc3545;
}
.notification.success {
    border-left-color: #28a745;
}
.notification.warning {
    border-left-color: #ffc107;
}

/* Footer */
.footer {
    margin-top: 40px;
}