/* General Styles */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f9;
}

header {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 20px;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px;
    position: relative;
    bottom: 0;
    width: 100%;
}

h2 {
    color: #333;
}

/* Tabs Navigation */
nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    background-color: #4CAF50;
    margin: 0;
}

nav ul li {
    margin: 0 10px;
}

nav ul li a {
    color: white;
    padding: 10px 20px