styles.css

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f9;
    color: #333;
}
header {
    background: #0078d7;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
}
nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    background: #004a99;
    margin: 0;
}
nav ul li {
    margin: 0 15px;
}
nav ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
}
.container {
    padding: 20px;
}
footer {
    background: #222;
    color: #fff;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    width: 100%;
    bottom: 0;
}
h1, h2, h3 {
    color: #0078d7;
}
.card {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 5px;
    margin: 20px 0;
    padding: 20px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}